Consolidated Statement of Cash Flows Statement - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities:
Net income (loss)	$ 66,170	$ 57,310	$ (79,760)
Adjustments to reconcile income to net cash provided by operating activities, net of acquisition impact:
Impairment of goodwill and indefinite-lived intangible assets	0	0	134,600
(Gain) loss on dispositions of assets	(21,950)	130	1,290
Depreciation	34,120	31,890	29,020
Amortization of intangible assets	19,100	21,560	20,750
Amortization of debt issue costs	910	960	1,150
Deferred income taxes	(1,400)	1,680	(33,710)
Non-cash compensation expense	9,840	9,500	8,170
Debt financing and related expenses	0	10,520	0
Change in legacy liability estimate	5,590	1,450	23,400
(Increase) decrease in receivables	(6,650)	(11,180)	9,580
(Increase) decrease in inventories	(6,970)	(960)	3,980
Decrease in prepaid expenses and other assets	6,120	5,030	4,400
Increase (decrease) in accounts payable and accrued liabilities	(29,130)	2,120	4,490
Other operating activities	(3,180)	4,210	50
Net cash provided by operating activities	72,570	134,220	127,410
Cash Flows from Investing Activities:
Capital expenditures	(45,960)	(45,060)	(40,480)
Acquisition of businesses, net of cash acquired	(64,100)	(34,340)	(193,540)
Cross-currency swap terminations	26,230	0	0
Net proceeds from dispositions businesses, property and equipment	28,790	220	1,950
Net cash used for investing activities	(55,040)	(79,180)	(232,070)
Cash Flows from Financing Activities:
Retirement of senior notes	0	(300,000)	0
Proceeds from issuance of senior notes	0	400,000	0
Proceeds from borrowings on revolving credit facilities	12,000	0	367,280
Repayments of borrowings on revolving credit facilities	(12,000)	(48,620)	(319,120)
Debt financing fees and senior notes redemption premium	0	(13,570)	0
Payments to purchase common stock	(36,920)	(19,090)	(39,420)
Shares surrendered upon exercise and vesting of equity awards to cover taxes	(2,380)	(5,230)	(2,600)
Dividends paid	(6,880)	(1,740)	0
Net cash provided by (used for) financing activities	(46,180)	11,750	6,140
Increase (decrease) for the year	(28,650)	66,790	(98,520)
At beginning of year	140,740	73,950	172,470
At end of year	112,090	140,740	73,950
Supplemental disclosure of cash flow information:
Cash paid for interest	12,960	13,280	13,210
Cash paid for income taxes	$ 20,060	$ 10,520	$ 9,060