Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2022	Dec. 28, 2020	Dec. 30, 2019
Income Statement [Abstract]
Net sales	$ 2,248,740	$ 2,105,322	$ 2,133,210
Cost of goods sold	1,876,729	1,746,299	1,756,033
Gross profit	372,011	359,023	377,177
Operating expenses:
Selling and marketing	63,016	63,882	69,171
General and administrative	124,865	122,477	129,284
Research and development	18,146	19,770	17,937
Amortization of definite-lived intangibles	35,748	38,838	45,776
Restructuring charges	4,245	16,764	5,380
Impairment of goodwill		69,200
Total operating expenses	246,020	330,931	267,548
Operating income	125,991	28,092	109,629
Other (expense) income:
Interest expense	(45,475)	(73,156)	(82,087)
Loss on extinguishment of debt	(15,217)
Other, net	4,754	(1,213)	6,784
Total other expense, net	(55,938)	(74,369)	(75,303)
Income (loss) from continuing operations before income taxes	70,053	(46,277)	34,326
Income tax (provision) benefit	(15,639)	29,891	(2,405)
Net income (loss) from continuing operations	54,414	(16,386)	31,921
Income from discontinued operations, net of income taxes		193,921	9,380
Net income	$ 54,414	$ 177,535	$ 41,301
Earnings per share:
Basic earnings (loss) per share from continuing operations	$ 0.51	$ (0.15)	$ 0.30
Basic earnings per share from discontinued operations		1.82	0.09
Basic earnings per share	0.51	1.67	0.39
Diluted earnings (loss) per share from continuing operations	0.50	(0.15)	0.30
Diluted earnings per share from discontinued operations		1.82	0.09
Diluted earnings per share	$ 0.50	$ 1.67	$ 0.39