CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows provided by (used in) operating activities:
Net income	$ 340,848	$ 359,081	$ 308,722
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	262,788	250,360	219,098
Amortization of debt discount and debt issuance costs	5,457	5,568	4,543
Rationalization charges	74,081	15,010	16,031
Stock compensation expense	16,832	20,921	18,780
Loss on early extinguishment of debt	1,481	1,372	1,481
Deferred income tax (benefit) provision	(32,181)	59,577	24,119
Other changes that provided (used) cash, net of effects from acquisitions:
Trade accounts receivable, net	30,367	(81,473)	(49,415)
Inventories	5,797	(109,548)	11,363
Trade accounts payable	20,245	171,972	21,303
Accrued liabilities	42,846	(30,293)	38,361
Other, net	(20,149)	(105,706)	(11,879)
Net cash provided by operating activities	748,412	556,841	602,507
Cash flows provided by (used in) investing activities:
Purchase of businesses, net of cash acquired	(2,504)	(745,670)	(940,875)
Capital expenditures	(215,761)	(232,264)	(224,177)
Other, net	2,660	1,975	1,868
Net cash (used in) investing activities	(215,605)	(975,959)	(1,163,184)
Cash flows provided by (used in) financing activities:
Borrowings under revolving loans	828,561	1,185,437	1,041,709
Repayments under revolving loans	(821,409)	(1,196,064)	(1,054,520)
Changes in outstanding checks – principally vendors	(164,430)	141,647	5,199
Proceeds from issuance of long-term debt	6,042	1,499,725	1,639,661
Repayments of long-term debt	(301,285)	(900,000)	(766,170)
Debt issuance costs	0	(11,073)	(10,265)
Dividends paid on common stock	(71,948)	(62,495)	(53,643)
Repurchase of common stock	(45,124)	(8,573)	(42,111)
Net cash (used in) provided by financing activities	(569,593)	648,604	759,860
Effect of exchange rate changes on cash and cash equivalents	(9,031)	(7,528)	6,474
Cash and cash equivalents:
Net (decrease) increase	(45,817)	221,958	205,657
Balance at beginning of year	631,439	409,481	203,824
Balance at end of year	585,622	631,439	409,481
Interest paid, net	123,726	101,665	89,535
Income taxes paid, net of refunds	$ 93,864	$ 94,426	$ 120,959