Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 862,924	$ 769,169	$ 734,902
Cost of sales	559,605	495,171	479,711
Gross margin	303,319	273,998	255,191
Distribution expenses	80,772	72,845	72,543
Selling, general and administrative expenses	156,945	155,872	161,618
Goodwill and other intangible asset impairments	14,760	20,100	42,990
Restructuring expenses	0	211	1,435
Income (loss) from operations	50,842	24,970	(23,395)
Interest expense	(15,524)	(17,277)	(20,780)
Mark to market gain (loss) on interest rate derivatives	1,062	(2,144)	402
Income (loss) before income taxes and equity in earnings	36,380	5,549	(43,773)
Income tax provision	(16,541)	(9,866)	(1,109)
Equity in earnings, net of taxes	962	1,310	467
NET INCOME (LOSS)	$ 20,801	$ (3,007)	$ (44,415)
BASIC LOSS PER COMMON SHARE (usd per share)	$ 0.97	$ (0.14)	$ (2.16)
DILUTED LOSS PER COMMON SHARE (usd per share)	$ 0.94	$ (0.14)	$ (2.16)