Consolidated Statement of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Income Statement [Abstract]
Net revenues	$ 1,172,497	$ 948,788	$ 2,118,676	$ 1,796,641
Cost of sales	923,690	717,493	1,664,016	1,383,659
Gross margin	248,807	231,295	454,660	412,982
Operating expenses
Selling, general and administrative	175,196	143,918	339,910	283,582
Impairment and restructuring charges	2,513	554	5,487	1,756
Operating income	71,098	86,823	109,263	127,644
Interest expense, net	17,830	17,547	33,491	44,439
Gain on previously held shares of an equity investment	0	0	(20,767)	0
Other (income) expense	(5,373)	5,868	2,390	11,598
Income before taxes, equity earnings	58,641	63,408	94,149	71,607
Income tax expense	23,189	17,703	19,164	19,955
Income from continuing operations, net of tax	35,452	45,705	74,985	51,652
Equity earnings of non-consolidated entities	0	1,073	738	1,554
Net income	35,452	46,778	75,723	53,206
Less net loss attributable to non-controlling interest	(59)	0	(53)	0
Convertible preferred stock dividends	0	0	0	10,462
Net income attributable to common shareholders	$ 35,511	$ 46,778	$ 75,776	$ 42,744
Weighted average common shares outstanding
Basic (shares)	105,620,267	104,794,294	105,881,966	89,544,882
Diluted (shares)	107,653,009	109,086,129	108,264,549	93,733,650
Income (loss) per share from continuing operations
Basic (usd per share)	$ 0.34	$ 0.45	$ 0.72	$ 0.48
Diluted (usd per share)	0.33	0.43	0.70	0.46
Net income per share
Basic (usd per share)	0.34	0.45	0.72	0.48
Diluted (usd per share)	$ 0.33	$ 0.43	$ 0.70	$ 0.46