Restructuring Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended		10 Months Ended	16 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 02, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,568,000	$ 4,068,000	$ 7,999,000	$ 8,962,000
March 2015 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,400,000	4,100,000	5,900,000	9,000,000		$ 19,200,000
September 2015 Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring charges	200,000	$ 0	2,100,000	$ 0	$ 8,000,000
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and elated cost, expected cost	21,000,000		21,000,000		21,000,000	21,000,000
Maximum | Severance and related | September 2015 Reduction
Restructuring Cost and Reserve [Line Items]
Restructuring and elated cost, expected cost	$ 9,000,000		$ 9,000,000		$ 9,000,000	$ 9,000,000