Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Income Statement [Abstract]
Net sales	$ 1,103,262	$ 1,343,029	$ 1,179,573
Cost of sales	692,688	810,062	749,690
Gross profit on sales	410,574	532,967	429,883
Selling, general and administrative expenses	333,229	389,117	332,975
Restructuring, asset impairment and other charges	(4,626)	12,947	20,529
Goodwill and intangible asset impairment charge	121,258	0	0
Operating income (loss)	(39,287)	130,903	76,379
Interest expense	29,244	25,656	15,436
Other expense	10,889	3,431	5,952
Income (loss) before income tax expense	(79,420)	101,816	54,991
Income tax expense (benefit)	(7,491)	22,616	4,738
Net income (loss)	$ (71,929)	$ 79,200	$ 50,253
Net income (loss) per share - basic (in dollars per share)	$ (1.23)	$ 1.34	$ 0.84
Net income (loss) per share - diluted (in dollars per share)	$ (1.23)	$ 1.34	$ 0.84
Basic weighted average common shares outstanding (in shares)	58,547	58,943	59,544
Diluted weighted average common shares outstanding (in shares)	58,547	58,948	59,566