Restructuring and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Restructuring Cost and Reserve [Line Items]
Beginning balance			$ 1,137
Restructuring and other charges, net	$ (74)	$ (498)	14,512	$ 3,861
Restructuring Activities Non Cash Charges Adjustments			(91)
Cash payments			(12,373)
Effect of foreign currency translation			256
Ending balance	3,441		3,441
Employee Severance and Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance			751
Restructuring Activities Non Cash Charges Adjustments			0
Cash payments			(12,025)
Effect of foreign currency translation			281
Ending balance	3,244		3,244
Excess Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance			386
Restructuring Activities Non Cash Charges Adjustments			(91)
Cash payments			(348)
Effect of foreign currency translation			(25)
Ending balance	197		197
2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net			14,216
Ending balance	$ 3,000		3,000
2016 Restructuring Plan [Member] | Employee Severance and Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net			14,216
2016 Restructuring Plan [Member] | Excess Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net			0
Prior restructuring plans [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net			296
Prior restructuring plans [Member] | Employee Severance and Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net			21
Prior restructuring plans [Member] | Excess Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net			$ 275