Biggest changeThe average age of light vehicles has exceeded 12 years since 2012. 28 Table of Contents Results of Operations The following table highlights selected financial information over the past 5 years: Fiscal Year Ended August (in thousands, except per share data, same store sales and selected operating data) 2023 2022 2021 (1) 2020 (1) 2019 (2)(3) Income Statement Data Net sales $ 17,457,209 $ 16,252,230 $ 14,629,585 $ 12,631,967 $ 11,863,743 Cost of sales, including warehouse and delivery expenses 8,386,787 7,779,580 6,911,800 5,861,214 5,498,742 Gross profit 9,070,422 8,472,650 7,717,785 6,770,753 6,365,001 Operating, selling, general and administrative expenses 5,596,436 5,201,921 4,773,258 4,353,074 4,148,864 Operating profit 3,473,986 3,270,729 2,944,527 2,417,679 2,216,137 Interest expense, net 306,372 191,638 195,337 201,165 184,804 Income before income taxes 3,167,614 3,079,091 2,749,190 2,216,514 2,031,333 Income tax expense (4) 639,188 649,487 578,876 483,542 414,112 Net income (4) $ 2,528,426 $ 2,429,604 $ 2,170,314 $ 1,732,972 $ 1,617,221 Diluted earnings per share (4) $ 132.36 $ 117.19 $ 95.19 $ 71.93 $ 63.43 Weighted average shares for diluted earnings per share (4) 19,103 20,733 22,799 24,093 25,498 Same Store Sales Increase in domestic comparable store net sales (5) 3.4 % 8.4 % 13.6 % 7.4 % 3.0 % Increase in international comparable store net sales (5) 29.3 % 19.1 % 22.5 % (2.8) % 4.6 % Increase in international comparable store net sales (constant currency) (5) 17.5 % 19.2 % 20.7 % 4.7 % 7.2 % Increase in total company comparable store net sales (5) 5.6 % 9.2 % 14.3 % 6.6 % 3.2 % Increase in total company comparable store net sales (constant currency) (5) 4.6 % 9.2 % 14.1 % 7.2 % 3.4 % Balance Sheet Data Current assets $ 6,779,426 $ 6,627,984 $ 6,415,303 $ 6,811,872 $ 5,028,685 Operating lease right-of-use assets (6) 2,998,097 2,918,817 2,718,712 2,581,677 — Working capital (deficit) (7) (1,732,430) (1,960,409) (954,451) 528,781 (483,456) Total assets 15,985,878 15,275,043 14,516,199 14,423,872 9,895,913 Current liabilities 8,511,856 8,588,393 7,369,754 6,283,091 5,512,141 Debt 7,668,549 6,122,092 5,269,820 5,513,371 5,206,344 Finance lease liabilities, less current portion (6) 200,702 217,428 186,122 155,855 123,659 Operating lease liabilities, less current portion (6) 2,917,046 2,837,973 2,632,842 2,501,560 — Stockholders’ deficit (4,349,894) (3,538,913) (1,797,536) (877,977) (1,713,851) Selected Operating Data Number of stores at beginning of year 6,943 6,767 6,549 6,411 6,202 New stores 198 177 219 138 209 Closed stores 1 1 1 — — Net new stores 197 176 218 138 209 Relocated stores 12 13 12 5 2 Number of stores at end of year 7,140 6,943 6,767 6,549 6,411 AutoZone domestic commercial programs 5,682 5,342 5,179 5,007 4,893 Total Company Store Data Inventory per store (in thousands) $ 807 $ 812 $ 686 $ 683 $ 674 Total AutoZone store square footage (in thousands) 47,899 46,435 45,057 43,502 42,526 Average square footage per AutoZone store 6,709 6,688 6,658 6,643 6,633 Increase in AutoZone store square footage 3.2 % 3.1 % 3.6 % 2.3 % 3.6 % Average net sales per AutoZone store (in thousands) $ 2,435 $ 2,329 $ 2,160 $ 1,914 $ 1,847 Net sales per AutoZone store average square foot $ 363 $ 349 $ 325 $ 288 $ 279 Total employees at end of year (in thousands) 119 112 105 100 96 Inventory turnover (8) 1.5x 1.5x 1.5x 1.3x 1.3x Accounts payable to inventory ratio 124.9 % 129.5 % 129.6 % 115.3 % 112.6 % After-tax return on invested capital (9) 55.4 % 52.9 % 41.0 % 35.7 % 35.7 % Adjusted debt to EBITDAR (10) 2.3 2.1 2.0 2.4 2.5 Net cash provided by operating activities (in thousands) (4) $ 2,940,788 $ 3,211,135 $ 3,518,543 $ 2,720,108 $ 2,128,513 Cash flow before share repurchases and changes in debt (in thousands) (11) $ 2,156,026 $ 2,599,636 $ 3,048,841 $ 2,185,418 $ 1,758,672 Share repurchases (in thousands) (7) $ 3,723,289 $ 4,359,991 $ 3,378,321 $ 930,903 $ 2,004,896 Number of shares repurchased (in thousands) (7) 1,524 2,220 2,592 826 2,182 29 Table of Contents (1) The 52 weeks ended August 28, 2021 and August 29, 2020 were negatively impacted by pandemic related expenses, including Emergency Time-Off of approximately $43.0 million (pre-tax) and $83.9 million (pre-tax), respectively.
Biggest changeOur experience is that at this point in a vehicle’s life, most vehicles are not covered by warranties and increased maintenance and repairs are needed to keep the vehicle operating. 27 Table of Contents Results of Operations The following table highlights selected financial information over the past five years: Fiscal Year Ended August (in thousands, except per share data, same store sales and selected operating data) 2024 (1) 2023 2022 2021 (2) 2020 (2) Income Statement Data Net sales $ 18,490,268 $ 17,457,209 $ 16,252,230 $ 14,629,585 $ 12,631,967 Cost of sales, including warehouse and delivery expenses 8,673,216 8,386,787 7,779,580 6,911,800 5,861,214 Gross profit 9,817,052 9,070,422 8,472,650 7,717,785 6,770,753 Operating, selling, general and administrative expenses 6,028,344 5,596,436 5,201,921 4,773,258 4,353,074 Operating profit 3,788,708 3,473,986 3,270,729 2,944,527 2,417,679 Interest expense, net 451,578 306,372 191,638 195,337 201,165 Income before income taxes 3,337,130 3,167,614 3,079,091 2,749,190 2,216,514 Income tax expense (3) 674,703 639,188 649,487 578,876 483,542 Net income (3) $ 2,662,427 $ 2,528,426 $ 2,429,604 $ 2,170,314 $ 1,732,972 Diluted earnings per share (3) $ 149.55 $ 132.36 $ 117.19 $ 95.19 $ 71.93 Weighted average shares for diluted earnings per share (3) 17,803 19,103 20,733 22,799 24,093 Same Store Sales Increase in domestic comparable store net sales (4) 0.4 % 3.4 % 8.4 % 13.6 % 7.4 % Increase (decrease) in international comparable store net sales (4) 16.1 % 29.3 % 19.1 % 22.5 % (2.8) % Increase in international comparable store net sales (constant currency) (4) 10.2 % 17.5 % 19.2 % 20.7 % 4.7 % Increase in total company comparable store net sales (4) 2.1 % 5.6 % 9.2 % 14.3 % 6.6 % Increase in total company comparable store net sales (constant currency) (4) 1.4 % 4.6 % 9.2 % 14.1 % 7.2 % Balance Sheet Data Current assets $ 7,306,759 $ 6,779,426 $ 6,627,984 $ 6,415,303 $ 6,811,872 Operating lease right-of-use assets 3,057,780 2,998,097 2,918,817 2,718,712 2,581,677 Working capital (deficit) (5) (1,407,484) (1,732,430) (1,960,409) (954,451) 528,781 Total assets 17,176,538 15,985,878 15,275,043 14,516,199 14,423,872 Current liabilities 8,714,243 8,511,856 8,588,393 7,369,754 6,283,091 Debt 9,024,381 7,668,549 6,122,092 5,269,820 5,513,371 Finance lease liabilities, less current portion 283,882 200,702 217,428 186,122 155,855 Operating lease liabilities, less current portion 2,960,174 2,917,046 2,837,973 2,632,842 2,501,560 Stockholders’ deficit (4,749,614) (4,349,894) (3,538,913) (1,797,536) (877,977) Selected Operating Data Number of stores at beginning of year 7,140 6,943 6,767 6,549 6,411 New stores 217 198 177 219 138 Closed stores 4 1 1 1 — Net new stores 213 197 176 218 138 Relocated stores 6 12 13 12 5 Number of stores at end of year 7,353 7,140 6,943 6,767 6,549 AutoZone domestic commercial programs 5,898 5,682 5,342 5,179 5,007 Total Company Store Data Inventory per store (in thousands) $ 837 $ 807 $ 812 $ 686 $ 683 Total AutoZone store square footage (in thousands) 49,417 47,899 46,435 45,057 43,502 Average square footage per AutoZone store 6,721 6,709 6,688 6,658 6,643 Increase in AutoZone store square footage 3.2 % 3.2 % 3.1 % 3.6 % 2.3 % Average net sales per AutoZone store (in thousands) $ 2,505 $ 2,435 $ 2,329 $ 2,160 $ 1,914 Net sales per AutoZone store average square foot $ 373 $ 363 $ 349 $ 325 $ 288 Total employees at end of year (in thousands) 126 119 112 105 100 Inventory turnover (6) 1.5x 1.5x 1.5x 1.5x 1.3x Accounts payable to inventory ratio 119.5 % 124.9 % 129.5 % 129.6 % 115.3 % After-tax return on invested capital (7) 49.7 % 55.4 % 52.9 % 41.0 % 35.7 % Adjusted debt to EBITDAR (8) 2.5 2.3 2.1 2.0 2.4 Net cash provided by operating activities (in thousands) (3) $ 3,004,116 $ 2,940,788 $ 3,211,135 $ 3,518,543 $ 2,720,108 Cash flow before share repurchases and changes in debt (in thousands) (9) $ 1,791,635 $ 2,156,026 $ 2,599,636 $ 3,048,841 $ 2,185,418 Share repurchases (in thousands) (5)(10) $ 3,170,320 $ 3,723,289 $ 4,359,991 $ 3,378,321 $ 930,903 Number of shares repurchased (in thousands) (5) 1,149 1,524 2,220 2,592 826 28 Table of Contents (1) The fiscal year ended August 31, 2024 consisted of 53 weeks.
The table below outlines the calculation of rent expense and reconciles rent expense to total lease cost, per ASC 842, the most directly comparable GAAP financial measure, for the 52 weeks ended, August 26, 2023, August 27, 2022 and August 28, 2021. For the year ended (in thousands) August 26, 2023 August 27, 2022 August 28, 2021 August 29, 2020 Total lease cost, per ASC 842 $ 524,283 $ 470,563 $ 427,443 $ 415,505 Less: Finance lease interest and amortization (86,521) (69,564) (56,334) (60,275) Less: Variable operating lease components, related to insurance and common area maintenance (31,364) (27,721) (25,729) (25,447) Rent expense $ 406,398 $ 373,278 $ 345,380 $ 329,783 (3) For fiscal 2023, 2022, 2021 and 2020, the effective tax rate was 20.2%, 21.1%, 21.1% and 21.8%, respectively.
(2) The table below outlines the calculation of rent expense and reconciles rent expense to total lease cost, per ASC 842, the most directly comparable GAAP financial measure, for the 53 weeks ended, August 31, 2024, and the 52 weeks ended August 26, 2023, August 27,2022, August 28, 2021 and August 29, 2020. For the year ended (in thousands) August 31, 2024 August 26, 2023 August 27, 2022 August 28, 2021 August 29, 2020 Total lease cost, per ASC 842 $ 588,835 $ 524,283 $ 470,563 $ 427,443 $ 415,505 Less: Finance lease interest and amortization (103,670) (86,521) (69,564) (56,334) (60,275) Less: Variable operating lease components, related to insurance and common area maintenance (37,472) (31,364) (27,721) (25,729) (25,447) Rent expense $ 447,693 $ 406,398 $ 373,278 $ 345,380 $ 329,783 (3) For fiscal 2024, 2023, 2022, 2021 and 2020, the effective tax rate was 20.2%, 20.2%, 21.1%, 21.1% and 21.8%, respectively.
Reconciliation of Non-GAAP Financial Measure: Cash Flow Before Share Repurchases and Changes in Debt The following table reconciles net increase (decrease) in cash and cash equivalents to cash flow before share repurchases and changes in debt, which is presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations”: Fiscal Year Ended August (in thousands) 2023 2022 2021 2020 2019 Net cash provided by/(used in): Operating activities $ 2,940,788 $ 3,211,135 $ 3,518,543 $ 2,720,108 $ 2,128,513 Investing activities (876,178) (648,099) (601,778) (497,875) (491,846) Financing activities (2,060,082) (3,470,497) (3,500,417) (643,636) (1,674,088) Effect of exchange rate changes on cash 8,146 506 4,172 (4,082) (4,103) Net (decrease)/increase in cash and cash equivalents 12,674 (906,955) (579,480) 1,574,515 (41,524) Less: increase/(decrease) in debt, excluding deferred financing costs 1,556,200 853,400 (250,000) 320,000 204,700 Plus: Share repurchases 3,699,552 4,359,991 3,378,321 930,903 (1) 2,004,896 Cash flow before share repurchases and changes in debt $ 2,156,026 $ 2,599,636 $ 3,048,841 $ 2,185,418 $ 1,758,672 (1) During the third quarter of fiscal 2020, the Company temporarily suspended share repurchases under the share repurchase program in response to the COVID-19 pandemic. 37 Table of Contents Reconciliation of Non-GAAP Financial Measure: Adjusted After-tax ROIC The following table calculates the percentage of ROIC.
Reconciliation of Non-GAAP Financial Measure: Cash Flow Before Share Repurchases and Changes in Debt The following table reconciles net increase (decrease) in cash and cash equivalents to cash flow before share repurchases and changes in debt, which is presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations”: Fiscal Year Ended August (in thousands) 2024 2023 2022 2021 2020 Net cash provided by/(used in): Operating activities $ 3,004,116 $ 2,940,788 $ 3,211,135 $ 3,518,543 $ 2,720,108 Investing activities (1,286,506) (876,178) (648,099) (601,778) (497,875) Financing activities (1,683,736) (2,060,082) (3,470,497) (3,500,417) (643,636) Effect of exchange rate changes on cash (12,756) 8,146 506 4,172 (4,082) Net increase/(decrease) in cash and cash equivalents 21,118 12,674 (906,955) (579,480) 1,574,515 Less: increase/(decrease) in debt, excluding deferred financing costs 1,370,400 1,556,200 853,400 (250,000) 320,000 Plus: Share repurchases 3,140,917 3,699,552 4,359,991 3,378,321 930,903 (1) Cash flow before share repurchases and changes in debt $ 1,791,635 $ 2,156,026 $ 2,599,636 $ 3,048,841 $ 2,185,418 (1) During the third quarter of fiscal 2020, the Company temporarily suspended share repurchases under the share repurchase program in response to the COVID-19 pandemic. 36 Table of Contents Reconciliation of Non-GAAP Financial Measure: Adjusted After-tax ROIC The following table calculates the percentage of ROIC.
The ROIC percentages are presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations”: Fiscal Year Ended August (in thousands, except percentage) 2023 2022 2021 2020 2019 (1) Net income $ 2,528,426 $ 2,429,604 $ 2,170,314 $ 1,732,972 $ 1,617,221 Adjustments: Interest expense 306,372 191,638 195,337 201,165 184,804 Rent expense (2) 406,398 373,278 345,380 329,783 332,726 Tax effect (3) (143,980) (119,197) (114,091) (115,747) (105,576) Deferred tax liabilities, net of repatriation tax (4) — — — — (6,340) Adjusted after-tax return $ 3,097,216 $ 2,875,323 $ 2,596,940 $ 2,148,173 $ 2,022,835 Average debt (5) $ 6,900,354 $ 5,712,301 $ 5,416,471 $ 5,375,356 $ 5,126,286 Average stockholders’ deficit (5) (4,042,495) (2,797,181) (1,397,892) (1,542,355) (1,615,339) Add: Rent x 6 (2)(6) 2,438,388 2,239,668 2,072,280 1,978,696 1,996,358 Average finance lease liabilities (5) 296,599 284,453 237,267 203,998 162,591 Invested capital $ 5,592,846 $ 5,439,241 $ 6,328,126 $ 6,015,695 $ 5,669,896 Adjusted after-tax ROIC 55.4 % 52.9 % 41.0 % 35.7 % 35.7 % Reconciliation of Non-GAAP Financial Measure: Adjusted Debt to EBITDAR The following table calculates the ratio of adjusted debt to EBITDAR.
The ROIC percentages are presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations”: Fiscal Year Ended August (in thousands, except percentage) 2024 (1) 2023 2022 2021 2020 Net income $ 2,662,427 $ 2,528,426 $ 2,429,604 $ 2,170,314 $ 1,732,972 Adjustments: Interest expense 451,578 306,372 191,638 195,337 201,165 Rent expense (2) 447,693 406,398 373,278 345,380 329,783 Tax effect (3) (181,653) (143,980) (119,197) (114,091) (115,747) Adjusted after-tax return $ 3,380,045 $ 3,097,216 $ 2,875,323 $ 2,596,940 $ 2,148,173 Average debt (4) $ 8,580,659 $ 6,900,354 $ 5,712,301 $ 5,416,471 $ 5,375,356 Average stockholders’ deficit (4) (4,797,747) (4,042,495) (2,797,181) (1,397,892) (1,542,355) Add: Rent x 6 (2)(5) 2,686,158 2,438,388 2,239,668 2,072,280 1,978,696 Average finance lease liabilities (4) 329,225 296,599 284,453 237,267 203,998 Invested capital $ 6,798,295 $ 5,592,846 $ 5,439,241 $ 6,328,126 $ 6,015,695 Adjusted after-tax ROIC 49.7 % 55.4 % 52.9 % 41.0 % 35.7 % Reconciliation of Non-GAAP Financial Measure: Adjusted Debt to EBITDAR The following table calculates the ratio of adjusted debt to EBITDAR.
The adjusted debt to EBITDAR ratios are presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations”: Fiscal Year Ended August (in thousands, except ratio) 2023 2022 2021 2020 2019 (1) Net income $ 2,528,426 $ 2,429,604 $ 2,170,314 $ 1,732,972 $ 1,617,221 Add: Interest expense 306,372 191,638 195,337 201,165 184,804 Income tax expense 639,188 649,487 578,876 483,542 414,112 EBIT 3,473,986 3,270,729 2,944,527 2,417,679 2,216,137 Add: Depreciation and amortization expense 497,577 442,223 407,683 397,466 369,957 Rent expense (2) 406,398 373,278 345,380 329,783 332,726 Share-based expense 93,087 70,612 56,112 44,835 43,255 EBITDAR $ 4,471,048 $ 4,156,842 $ 3,753,702 $ 3,189,763 $ 2,962,075 Debt $ 7,668,549 $ 6,122,092 $ 5,269,820 $ 5,513,371 $ 5,206,344 Financing lease liabilities 287,618 310,305 276,054 223,353 179,905 Add: Rent x 6 (2)(6) 2,438,388 2,239,668 2,072,280 1,978,696 1,996,358 Adjusted debt $ 10,394,555 $ 8,672,065 $ 7,618,154 $ 7,715,420 $ 7,382,607 Adjusted debt to EBITDAR 2.3 2.1 2.0 2.4 2.5 38 Table of Contents (1) The fiscal year ended August 31, 2019 consisted of 53 weeks.
The adjusted debt to EBITDAR ratios are presented in “Management’s Discussion and Analysis of Financial Condition and Results of Operations”: Fiscal Year Ended August (in thousands, except ratio) 2024 (1) 2023 2022 2021 2020 Net income $ 2,662,427 $ 2,528,426 $ 2,429,604 $ 2,170,314 $ 1,732,972 Add: Interest expense 451,578 306,372 191,638 195,337 201,165 Income tax expense 674,703 639,188 649,487 578,876 483,542 EBIT 3,788,708 3,473,986 3,270,729 2,944,527 2,417,679 Add: Depreciation and amortization expense 549,755 497,577 442,223 407,683 397,466 Rent expense (2) 447,693 406,398 373,278 345,380 329,783 Share-based expense 106,246 93,087 70,612 56,112 44,835 EBITDAR $ 4,892,402 $ 4,471,048 $ 4,156,842 $ 3,753,702 $ 3,189,763 Debt $ 9,024,381 $ 7,668,549 $ 6,122,092 $ 5,269,820 $ 5,513,371 Financing lease liabilities 399,441 287,618 310,305 276,054 223,353 Add: Rent x 6 (2)(5) 2,686,158 2,438,388 2,239,668 2,072,280 1,978,696 Adjusted debt $ 12,109,980 $ 10,394,555 $ 8,672,065 $ 7,618,154 $ 7,715,420 Adjusted debt to EBITDAR 2.5 2.3 2.1 2.0 2.4 37 Table of Contents (1) The fiscal year ended August 31, 2024, consisted of 53 weeks.
Considering the cumulative repurchases through October 16, 2023, we have $1.3 billion remaining under the Board’s authorization to repurchase its common stock. 35 Table of Contents Financial Commitments The following table shows our significant contractual obligations as of August 26, 2023: Total Payment Due by Period Contractual Less than Between Between Over (in thousands) Obligations 1 year 1 ‑ 3 years 3 ‑ 5 years 5 years Debt (1) $ 7,709,600 $ 1,509,600 $ 1,750,000 $ 1,050,000 $ 3,400,000 Interest payments (2) 1,468,738 252,600 455,325 321,125 439,688 Operating leases (3) 4,097,510 372,849 781,663 682,165 2,260,833 Finance leases (3) 319,186 88,284 143,106 44,568 43,228 Self-insurance reserves (4) 279,407 96,795 95,288 38,757 48,567 Construction commitments 198,926 198,926 — — — Other (5) 9,326 9,326 — — — $ 14,082,693 $ 2,528,380 $ 3,225,382 $ 2,136,615 $ 6,192,316 (1) Debt balances represent principal maturities, excluding interest, discounts, and debt issuance costs.
Considering the cumulative repurchases through October 21, 2024, we have $2.0 billion remaining under the Board’s authorization to repurchase our common stock. 34 Table of Contents Financial Commitments The following table shows our significant contractual obligations as of August 31, 2024: Total Payment Due by Period Contractual Less than Between Between Over (in thousands) Obligations 1 year 1 ‑ 3 years 3 ‑ 5 years 5 years Debt (1) $ 9,080,000 $ 1,480,000 $ 1,450,000 $ 2,000,000 $ 4,150,000 Interest payments (2) 2,198,888 375,625 653,775 527,550 641,938 Operating leases (3) 4,157,877 391,901 828,934 719,996 2,217,046 Finance leases (3) 461,654 116,999 209,841 92,389 42,425 Self-insurance reserves (4) 267,779 82,976 97,736 42,585 44,482 Construction commitments 103,780 103,780 — — — Other (5) 49,259 49,259 — — — $ 16,319,237 $ 2,600,540 $ 3,240,286 $ 3,382,520 $ 7,095,891 (1) Debt balances represent principal maturities, excluding interest, discounts, and debt issuance costs.