Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Income Statement [Abstract]
Net revenues	$ 1,112,866	$ 1,091,953	$ 3,084,399	$ 3,221,200
Cost of sales	867,972	868,168	2,426,465	2,549,067
Gross margin	244,894	223,785	657,934	672,133
Selling, general and administrative	181,963	161,424	520,874	502,109
Impairment and restructuring charges	1,319	7,935	10,130	17,388
Operating income	61,612	54,426	126,930	152,636
Interest expense, net	18,784	17,571	54,464	53,719
Other expense (income)	1,379	(2,687)	(3,450)	(1,288)
Income before taxes	41,449	39,542	75,916	100,205
Income tax expense	15,969	22,500	27,569	45,030
Net income	$ 25,480	$ 17,042	$ 48,347	$ 55,175
Weighted average common shares outstanding:
Basic (shares)	100,609,593	100,572,016	100,587,734	100,615,006
Diluted (shares)	101,778,952	101,381,976	101,440,963	101,419,770
Net income per share
Basic (usd per share)	$ 0.25	$ 0.17	$ 0.48	$ 0.55
Diluted (usd per share)	$ 0.25	$ 0.17	$ 0.48	$ 0.54