Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net Income	$ 101,699	$ 179,261
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation	7,632	7,663
Amortization	2,135	2,192
Share-based compensation	4,923	3,657
Equity in earnings of unconsolidated investments, net	(36)	(58)
Other	2,732	5,777
Changes in operating assets and liabilities, net of effects of acquisitions:
Receivables	(211,015)	(303,400)
Product inventories	(96,011)	(306,582)
Prepaid expenses and other assets	(5,786)	(23,330)
Accounts payable	332,800	287,449
Accrued expenses and other liabilities	(35,870)	(60,738)
Net Cash Provided by operating activities	103,203	(208,109)
Investing activities
Acquisition of businesses, net of cash acquired	(1,760)	0
Purchases of property and equipment, net of sale proceeds	(15,570)	(9,159)
Other Investments	(230)	0
Net cash used in investing activities	(17,560)	(9,159)
Financing activities
Proceeds from revolving line of credit	256,079	564,288
Payments on revolving line of credit	(376,895)	(604,960)
Proceeds from Long-term Lines of Credit	0	250,000
Proceeds from asset-backed financing	151,200	155,000
Payments on asset-backed financing	(51,100)	(50,000)
Payments on term facility	(2,313)	(2,313)
Proceeds from short-term borrowings and current portion of long-term debt	3,011	10,277
Payments on short-term borrowings and current portion of long-term debt	(1,223)	(784)
Payments of deferred and contingent acquisition consideration	(551)	(1,374)
Proceeds from stock issued under share-based compensation plans	5,896	3,135
Payments of cash dividends	(39,073)	(32,132)
Purchases of treasury stock	(50,549)	(62,420)
Net cash used in financing activities	(105,518)	228,717
Effect of exchange rate changes on cash and cash equivalents	754	(405)
Change in cash and cash equivalents	(19,121)	11,044
Cash and cash equivalents at beginning of period	45,591	24,321
Cash and cash equivalents at end of period	$ 26,470	$ 35,365