Restructuring - Summary of Restructuring Reserve (Details) - USD ($)	3 Months Ended				12 Months Ended
	Jan. 01, 2017	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Jan. 01, 2017	Jan. 03, 2016
Restructuring Reserve [Roll Forward]
Balance as of year-end				$ 500,000	$ 500,000	$ 6,900,000
Additions charged to reserve	$ 0	$ 0	$ 3,400,000	$ 0	3,400,000	0
Reductions for cash payments related to all restructuring activities					(3,400,000)	(6,400,000)
Balance as of year-end	$ 500,000				500,000	$ 500,000
Total Americas
Restructuring Reserve [Roll Forward]
Additions charged to reserve					2,200,000
EMEA
Restructuring Reserve [Roll Forward]
Additions charged to reserve					$ 1,200,000