CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Jul. 29, 2018	Sep. 28, 2019	Jul. 29, 2018
Income Statement [Abstract]
Sales	$ 1,285,043	$ 548,525	$ 3,645,332	$ 1,426,943
Cost of sales	975,240	415,124	2,844,949	1,097,542
Gross profit	309,803	133,401	800,383	329,401
Selling, general and administrative expenses	154,034	79,039	466,368	228,231
Intangible asset amortization	44,725	2,412	132,699	7,237
Restructuring and impairment charges, net	4,984	(439)	15,522	1,143
Strategic development and acquisition related costs	10,500	3,642	36,668	5,503
Loss (gain) on disposition of business	0	(1,013)	0	5,673
Gain on insurance recovery	0	(4,741)	0	(4,741)
Income from operations	95,560	54,501	149,126	86,355
Interest income	155	48	491	118
Interest expense	(56,549)	(4,572)	(173,134)	(16,913)
Foreign exchange gain (loss)	(616)	(258)	1,084	(92)
Loss on extinguishment of debt	0	0	0	(21,875)
Other income, net	717	345	665	1,072
Income (loss) before income taxes	39,267	50,064	(21,768)	48,665
Provision (benefit) for income taxes	14,103	14,078	(4,448)	13,114
Net income (loss)	25,164	35,986	(17,320)	35,551
Net income allocated to participating securities	(374)	(221)	0	(248)
Net income (loss) applicable to common shares	$ 24,790	$ 35,765	$ (17,320)	$ 35,303
Income (loss) per common share:
Basic (in USD per share)	$ 0.20	$ 0.54	$ (0.14)	$ 0.53
Diluted income (loss) per common share (in USD per share)	$ 0.20	$ 0.54	$ (0.14)	$ 0.53
Weighted average number of common shares outstanding:
Basic (in shares)	125,557	66,335	125,526	66,361
Diluted (in shares)	125,558	66,438	125,526	66,477