Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended					9 Months Ended		12 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Cash flows from operating activities:
Net income	$ 35,612	$ 36,545		$ 25,887	$ 7,259	$ 133,320	$ 66,572
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization						96,000	98,818
Stock-based compensation expense						13,961	14,027
Other non-cash items						4,927	4,611
Changes in assets and liabilities, net of acquisitions of businesses:
Accounts receivable, net						(102,127)	(121,914)
Inventories, net						81,166	246,155
Prepaid expenses and other assets						(1,491)	31,237
Accounts payable, trade						8,333	54,817
Accrued expenses and other liabilities						29,599	(5,060)
Net cash flows provided by operating activities						263,688	389,263
Cash flows from investing activities:
Capital expenditures						(31,390)	(50,060)
Acquisitions of businesses						(19,957)	(25,851)
Other investing activities						781	4,284
Net cash flows used in investing activities						(50,566)	(71,627)
Cash flows from financing activities:
Vesting of stock-based awards, net of shares tendered for payment of taxes						(9,120)	(9,591)
Proceeds from revolving credit facility						86,248	248,900
Repayments under revolving credit facility						(87,766)	(414,554)
Repayments under term loan and other borrowings						(26,357)	(45,767)
Payment of dividends						(80,191)	(79,744)
Payment of contingent consideration and holdbacks related to acquisitions						(2)	(31,857)
Other financing activities						0	(834)
Net cash flows used in financing activities						(117,188)	(333,447)
Effect of exchange rate changes on cash and cash equivalents						(907)	(446)
Net increase (decrease) in cash and cash equivalents						95,027	(16,257)
Cash and cash equivalents at beginning of period		$ 66,157	$ 31,242		$ 47,499	66,157	47,499	$ 47,499
Cash and cash equivalents at end of period	$ 161,184		$ 66,157	$ 31,242		161,184	31,242	$ 66,157
Supplemental disclosure of cash flow information:
Interest						24,535	29,459
Income taxes, net of refunds						38,685	7,531
Purchase of property and equipment in accrued expenses						$ 106	$ 451