Reorganization and Realignment Costs IT Realignment Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020
Restructuring Cost and Reserve
Reorganization and realignment costs	$ 345	$ 3,375	$ 7,381	$ 10,196
IT Realignment
Restructuring Cost and Reserve
Reorganization and realignment costs	(17)	403	(11)	6,809
Restructuring and Related Cost, Incurred Cost	(17)	403	(11)	6,809
Restructuring and Related Cost, Cost Incurred to Date	16,211		16,211
Restructuring Charges, Incurred to Date	16,404		16,404
IT Realignment | Severance and related employee costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	(32)	34	(151)	1,009
Restructuring and Related Cost, Cost Incurred to Date	8,240		8,240
IT Realignment | Recruitment and relocation costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	12	345	133	659
Restructuring and Related Cost, Cost Incurred to Date	1,429		1,429
IT Realignment | Third-party and other costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	3	24	7	5,141
Restructuring and Related Cost, Cost Incurred to Date	6,542		6,542
IT Realignment | Share-based compensation
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	0	$ 0	0	$ 0
Restructuring and Related Cost, Cost Incurred to Date	$ 193		$ 193