Restructuring - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring incurred cost	$ 2,483	$ 3,071	$ 1,576	$ 66	$ 951	$ 317	$ 2,568	$ 5,431	$ 7,196	$ 9,267	$ 19,239
Restructuring charges									7,196	9,267	19,239
March 2015 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring incurred cost									(100)	7,300	13,300
Restructuring cost incurred to date	20,500								20,500
September 2015 Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring incurred cost									(700)	$ 2,000	$ 5,900
Restructuring cost incurred to date	7,200								7,200
June 2017 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring cost incurred to date	8,000								8,000
March 2015 Plan and September 2015 Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring incurred cost									(800)
Minimum | June 2017 Plan
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost	8,000								8,000
Maximum | June 2017 Plan
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost	$ 19,000								$ 19,000
Hyderabad | Disposed of by Sale
Restructuring Cost and Reserve [Line Items]
Ownership percentage		100.00%