Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended					9 Months Ended		12 Months Ended
	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 25,887	$ 7,259		$ 61,392	$ 196,181	$ 66,572	$ 412,103
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization						98,818	95,966
Stock-based compensation expense						14,027	20,564
Deferred taxes						0	(2,401)
Other non-cash items						4,611	1,174
Changes in assets and liabilities, net of acquisitions of businesses:
Accounts receivable, net						(121,914)	(18,128)
Inventories, net						246,155	26,508
Prepaid expenses and other assets						31,237	31,304
Accounts payable, trade						54,817	(82,054)
Accrued expenses and other liabilities						(5,060)	471
Net cash flows provided by operating activities						389,263	485,507
Cash flows from investing activities:
Capital expenditures						(50,060)	(103,748)
Acquisitions of businesses						(25,851)	(55,709)
Other investing activities						4,284	2,137
Net cash flows used in investing activities						(71,627)	(157,320)
Cash flows from financing activities:
Vesting of stock-based awards, net of shares tendered for payment of taxes						(9,591)	(10,805)
Proceeds from revolving credit facility						248,900	844,900
Repayments under revolving credit facility						(414,554)	(1,001,040)
Repayments under shelf loan, term loan, and other borrowings						(45,767)	(65,852)
Payment of dividends						(79,744)	(76,273)
Payment of contingent consideration and holdbacks related to acquisitions						(31,857)	(57,328)
Other financing activities						(834)	1,468
Net cash flows used in financing activities						(333,447)	(364,930)
Effect of exchange rate changes on cash and cash equivalents						(446)	(2,750)
Net decrease in cash and cash equivalents						(16,257)	(39,493)
Cash and cash equivalents at beginning of period		$ 47,499	$ 23,403		$ 62,896	47,499	62,896	$ 62,896
Cash and cash equivalents at end of period	$ 31,242		$ 47,499	$ 23,403		31,242	23,403	$ 47,499
Supplemental disclosure of cash flow information:
Cash paid during the period for interest						29,459	16,326
Cash paid during the period for income taxes, net of refunds						7,531	144,121
Purchase of property and equipment in accrued expenses						$ 451	$ 2,019