v3.26.1
Income Taxes (Tables)
 12 Months Ended
Apr. 30, 2026
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
Income tax expense attributable to earnings consisted of the following components:
 Years ended April 30,
 202620252024
Current tax expense:
Federal$100,710 $85,207 $78,542 
State27,093 20,764 22,394 
Total current tax expense127,803 105,971 100,936 
Deferred tax expense
Federal85,505 56,112 52,917 
State9,267 3,846 335 
Total deferred tax expense94,772 59,958 53,252 
Total income tax expense$222,575 $165,929 $154,188 
Schedule of Deferred Tax Assets and Liabilities
The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities were as follows: 
 As of April 30,
 20262025
Deferred tax assets:
Accrued liabilities and reserves$12,976 $8,996 
Deferred revenue18,177 17,845 
Accrued bonus compensation15,203 10,023 
Insurance accruals14,752 13,013 
Operating and finance lease obligations150,725 144,997 
Asset retirement obligations13,506 12,921 
Deferred compensation3,617 3,151 
Share-based compensation10,177 8,944 
State net operating losses and tax credits3,842 2,500 
Other10,749 8,197 
Total gross deferred tax assets253,724 230,587 
Less valuation allowance550 550 
Total net deferred tax assets253,174 230,037 
Deferred tax liabilities:
Property and equipment and operating lease right-of-use assets(901,117)(799,404)
Goodwill(85,834)(66,754)
Other(6,066)(10,784)
Total gross deferred tax liabilities(993,017)(876,942)
Net deferred tax liability$(739,843)$(646,905)
Schedule of Effective Income Tax Rate Reconciliation
 Years ended April 30,
 202620252024
AmountPercentAmountPercentAmountPercent
U.S. federal statutory tax rate$196,775 21.0 %$149,614 21.0 %$137,794 21.0 %
State and local income taxes, net of federal income tax effect
State and local income taxes, net of federal income tax effect (a)29,724 3.2 %24,496 3.4 %24,461 3.7 %
Effect of changes in tax laws or rates enacted in the current period139 — %(578)(0.1)%(6,306)(1.0)%
Other(1,139)(0.1)%(4,476)(0.6)%(199)— %
Tax credits(5,349)(0.6)%(6,966)(1.0)%(6,737)(1.0)%
Nontaxable or nondeductible items
Share-based payment awards(6,373)(0.6)%(2,442)(0.3)%(723)(0.1)%
Nondeductible executive compensation8,559 0.9 %5,847 0.8 %5,706 0.9 %
Other865 0.1 %498 0.1 %394 — %
Changes in unrecognized tax benefits(626)(0.1)%(64)— %(202)— %
Effective tax rate$222,575 23.8 %$165,929 23.3 %$154,188 23.5 %
(a) State taxes in Illinois and Minnesota made up the majority (greater than 50 percent) of the tax effect in this category in fiscal 2026, 2025 and 2024.
Schedule of Unrecognized Tax Benefits A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
Years ended April 30,
20262025
Beginning balance$10,773 $10,747 
Additions based on tax positions related to current year2,251 2,382 
Reductions due to lapse of applicable statute of limitations(2,953)(2,356)
Ending balance$10,071 $10,773 
Schedule of Cash Flow, Supplemental Disclosures
Cash paid for income taxes, net of refunds, for each of the three years were as follows:
 Years ended April 30,
 202620252024
Cash paid for income taxes:
Federal$115,000 $72,500 $81,500 
Illinois13,800 10,000 12,750 
Other, net9,218 7,271 10,750 
Total cash paid for income taxes, net$138,018 $89,771 $105,000