Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings (loss)	$ 59,575	$ (41,866)	$ 34,686
Adjustments to reconcile net (loss) earnings to net cash provided by operating activities:
Depreciation and amortization	29,753	26,930	26,670
Non-cash inventory charges	4,048	0	0
Pensions and other post-retirement plan expense	(1,792)	132,650	2,698
Stock-based compensation	7,726	6,105	3,417
Asset impairment charges	0	0	1,016
Restructuring non-cash charges	0	0	300
Deferred income taxes	492	(30,982)	(2,048)
Gain on foreign current hedges, net of tax	(214)	(35)	(20)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(5,913)	(928)	(343)
Inventories	(8,211)	(3,570)	(578)
Operating lease assets	1,266	1,687	1,363
Other assets	5,625	(2,076)	3,701
Accounts payable	(2,293)	3,136	3,860
Accrued payroll and benefits	450	5,023	2,518
Operating lease liabilities	(1,431)	(1,709)	(1,257)
Accrued expenses and other liabilities	(1,381)	(7,937)	1,056
Pension and other post-retirement plans	33,497	(287)	(256)
Net cash provided by operating activities	121,197	86,141	76,783
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(14,333)	(15,641)	(14,858)
Payments for acquisitions, net of cash acquired	(96,855)	(255)	(8,309)
Net cash used in investing activities	(111,188)	(15,896)	(23,167)
CASH FLOWS FROM FINANCING ACTVITIES:
Payments of long-term debt	(722,942)	(808,800)	(3,792,550)
Proceeds from borrowings of long-term debt	756,580	804,200	3,747,450
Purchase of treasury stock	(21,447)	(8,786)	(8,080)
Dividends paid	(5,131)	(5,173)	(5,179)
Taxes paid on behalf of equity award participants	(1,524)	(1,503)	(1,917)
Contingent consideration payments	(1,200)	(650)	(1,057)
Net cash (used in) provided by financing activities	4,336	(20,712)	(61,333)
Effect of exchange rate on cash and cash equivalents	1,100	159	(751)
Net increase (decrease) in cash and cash equivalents	15,445	49,692	(8,468)
Cash and cash equivalents at beginning of year	141,465	91,773	100,241
Cash and cash equivalents at end of year	156,910	141,465	91,773
Supplemental cash flow information:
Cash paid for interest	2,016	1,950	2,597
Cash paid for income taxes, net	20,080	16,887	11,967
Capital expenditures incurred not paid	$ 2,480	$ 2,348	$ 729