Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Summary of accrued liabilities
Accrued payroll and other employee related expenses	$ 462,344	$ 385,800
Accrued business taxes	110,009	81,055
Self-insurance reserves	76,920	68,060
Amounts accrued for repurchases of common stock	69,412	51,545
Income taxes payable	45,663	2,230
Accrued rebates payable	42,485	51,805
Accrued interest	34,309	31,666
Other	63,792	46,743
Total accrued liabilities	$ 904,934	$ 718,904