Consolidated Statement of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Income Statement [Abstract]
Net revenues	$ 1,091,953	$ 1,136,478	$ 3,221,200	$ 3,255,108
Cost of sales	868,168	895,003	2,549,067	2,560,945
Gross margin	223,785	241,475	672,133	694,163
Selling, general and administrative	161,424	230,291	502,109	570,498
Impairment and restructuring charges	7,935	3,891	17,388	9,378
Operating income	54,426	7,293	152,636	114,287
Interest expense, net	17,571	18,341	53,719	51,832
Other (income) expense	(2,687)	(7,999)	(1,288)	(27,483)
Income (loss) before taxes and equity earnings	39,542	(3,049)	100,205	89,938
Income tax expense (benefit)	22,500	(31,686)	45,030	(13,141)
Income from continuing operations, net of tax	17,042	28,637	55,175	103,079
Equity earnings of non-consolidated entities	0	0	0	738
Net income	$ 17,042	$ 28,637	$ 55,175	$ 103,817
Weighted average common shares outstanding:
Basic (shares)	100,572,016	104,169,833	100,615,006	105,309,185
Diluted (shares)	101,381,976	105,937,429	101,419,770	107,477,049
Net income per share
Basic (usd per share)	$ 0.17	$ 0.27	$ 0.55	$ 0.99
Diluted (usd per share)	$ 0.17	$ 0.27	$ 0.54	$ 0.97