Reorganization and Realignment Costs Operations and Field Realignment (Details) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Jan. 03, 2021	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Dec. 29, 2019	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Restructuring Cost and Reserve
Reorganization and realignment costs	$ 5,834	$ 3,375	$ 2,911	$ 3,910	$ 12,194	$ 16,030	$ 16,965	$ 9,068
Operations and Field Realignment
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost						3,180
Reorganization and realignment costs						3,801	$ 0	$ 0
Operations and Field Realignment | Minimum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost	7,000					7,000
Restructuring and Related Cost, Expected Cost Remaining	3,000					3,000
Operations and Field Realignment | Maximum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost	9,000					9,000
Restructuring and Related Cost, Expected Cost Remaining	$ 5,000					5,000
Operations and Field Realignment | Severance and related employee costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost						3,113
Operations and Field Realignment | Third-party and other costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost						67
Operations and Field Realignment | Share-based compensation
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost						$ 621