Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 154,530	$ 196,181	$ 67,889	$ 74,120	$ 350,711	$ 142,009
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization					63,719	51,270
Stock-based compensation expense					13,701	13,859
Deferred taxes					(2,401)	0
Other non-cash items					2,025	4,305
Changes in assets and liabilities, net of acquisitions of businesses:
Accounts receivable, net					(95,479)	(142,489)
Inventories, net					(51,811)	(115,314)
Prepaid expenses and other assets					25,746	(16,401)
Accounts payable, trade					5,312	71,144
Accrued expenses and other liabilities					36,448	15,476
Net cash flows provided by operating activities					347,971	23,859
Cash flows from investing activities:
Capital expenditures					(70,837)	(42,005)
Acquisitions of businesses					(51,789)	(103,858)
Other investing activities					2,204	(566)
Net cash flows used in investing activities					(120,422)	(146,429)
Cash flows from financing activities:
Vesting of stock-based awards, net of shares tendered for payment of taxes					(10,773)	(7,925)
Proceeds from revolving credit facility					729,400	554,693
Repayments under revolving credit facility					(836,500)	(719,747)
Repayments under shelf loan, term loan, and other borrowings					(60,902)	(8,652)
Proceeds from issuance of convertible notes					0	460,000
Purchases of convertible note hedge contracts					0	(100,142)
Proceeds from issuance of warrants concurrent with note hedge contracts					0	48,484
Payment of debt issuance costs					(4)	(11,844)
Payment of dividends					(49,572)	(41,678)
Payment of contingent consideration and holdbacks related to acquisitions					(6,039)	(4,387)
Net cash flows (used in) provided by financing activities					(234,390)	168,802
Effect of exchange rate changes on cash and cash equivalents					(1,067)	(92)
Net (decrease) increase in cash and cash equivalents					(7,908)	46,140
Cash and cash equivalents at beginning of period		$ 62,896		$ 51,821	62,896	51,821	$ 51,821
Cash and cash equivalents cash at end of period	$ 54,988		$ 97,961		54,988	97,961	$ 62,896
Supplemental disclosure of cash flow information:
Cash paid during the period for interest					10,558	6,496
Cash paid during the period for income taxes, net of refunds					110,871	55,449
Purchase of property and equipment in accrued expenses					$ 3,157	$ 3,952