CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 194,734	$ 188,811	$ 154,975
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	52,260	50,374	44,572
Non-cash lease expense	18,852	17,406	13,808
Share-based compensation	10,133	10,973	11,731
Deferred income taxes	(1,609)	(1,230)	126
(Gain)/Loss on disposals of plant and equipment	(256)	1,285	(269)
Gain from bargain purchase of business	0	0	(6,482)
Foreign exchange expense	12,124	7,236	2,269
Changes in assets and liabilities, net of acquisitions:
Receivables	19,150	(44,800)	(31,925)
Inventory	48,176	(101,080)	(123,076)
Accounts payable and accrued expenses	(23,085)	(12,283)	89,038
Operating leases	18,874	17,406	13,808
Income taxes	(1,524)	(679)	(2,241)
Income taxes-U.S. Tax Cuts and Jobs Act	(2,902)	(355)	0
Employee benefit plans	1,458	3,488	1,245
Other, net	7,073	(66)	(10,200)
Net cash flows from operating activities	315,710	101,674	129,763
Cash flows from investing activities:
Additions to property, plant, and equipment	(41,415)	(41,903)	(30,116)
Proceeds from sale of property, plant, and equipment	1,494	6	979
Cash paid for acquisitions, net of cash acquired	(34,831)	(1,186)	(235,701)
Other, net	463	9	33
Net cash flows from investing activities	(74,289)	(43,074)	(264,805)
Cash flows from financing activities:
Proceeds from issuance of debt	443,217	477,558	321,299
Repayments of debt	(558,746)	(448,622)	(226,583)
Proceeds from issuance of common stock	9,193	3,859	15,524
Purchases of common stock	(43,332)	(40,490)	(25,949)
Dividends paid	(41,723)	(36,991)	(33,398)
Deferred payments for acquisitions	(802)	(3,786)	0
Net cash flows from financing activities	(192,193)	(48,472)	50,893
Effect of exchange rate changes on cash and cash equivalents	(10,055)	(4,874)	(6,102)
Net change in cash and cash equivalents	39,173	5,254	(90,251)
Cash paid for income taxes, net of refunds	55,120	48,335	37,387
Cash paid for interest	12,115	11,209	5,192
Cash and cash equivalents at beginning of period	45,790	40,536	130,787
Cash and cash equivalents at end of period	84,963	45,790	40,536
Non-cash items:
Additions to property, plant, and equipment, not yet paid	2,229	628	1,454
Lease right-of-use assets obtained in exchange for new operating lease liabilities	25,899	17,599	19,627
Payable to sellers of acquired entities	7,027	354	4,000
Payable for share repurchases	0	1,083	0
Accrued dividends payable to noncontrolling interests	821	0	0
Non-cash investment to acquire property in lieu of cash payment for products provided	$ 419	$ 0	$ 0