Reorganization and Realignment Costs G&A Realignment Accrual Rollforward (Details) - G&A Realignment - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Restructuring Cost and Reserve
Beginning balance	$ 5,359	$ 7,324
Charges	401	6,535	$ 5,893
Payments	(4,828)	(8,500)
Ending balance	932	5,359	7,324
Severance and related employee costs
Restructuring Cost and Reserve
Beginning balance	5,276	7,241
Charges	28	5,485	3,797
Payments	(4,372)	(7,450)
Ending balance	932	5,276	7,241
Recruitment and relocation costs
Restructuring Cost and Reserve
Beginning balance	83	83
Charges	360	950	1,077
Payments	(443)	(950)
Ending balance	0	83	83
Third-party and other costs
Restructuring Cost and Reserve
Beginning balance	0	0
Charges	13	100	1,019
Payments	(13)	(100)
Ending balance	0	0	$ 0
Accrued expenses and other current liabilities
Restructuring Cost and Reserve
Beginning balance	4,504
Ending balance		4,504
Other liabilities
Restructuring Cost and Reserve
Beginning balance	$ 855
Ending balance		$ 855