Restructuring and Cost Management Plans Q4 FY17 Restructuring Plan Expected Costs (Details) - Q4 FY17 Restructuring Plan [Member] - USD ($) $ in Thousands		6 Months Ended		9 Months Ended		12 Months Ended
		Jul. 01, 2017		Dec. 30, 2017		Apr. 01, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost				$ 24,804
Restructuring and Related Cost, Incurred Cost		$ 24,804		17,218		$ 7,587
Restructuring and Related Cost, Expected Cost Remaining				0
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost				4,872
Restructuring and Related Cost, Incurred Cost		4,872		1,284		3,588
Restructuring and Related Cost, Expected Cost Remaining				0
Site Closures [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost				1,714
Restructuring and Related Cost, Incurred Cost		1,714		824		888
Restructuring and Related Cost, Expected Cost Remaining				0
Current Asset Impairments and Other Gross Profit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	[1]			14,947
Restructuring and Related Cost, Incurred Cost		14,947	[1]	13,278	[2]	1,669	[2]
Restructuring and Related Cost, Expected Cost Remaining	[1]			0
Non-Current Asset Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost				3,032
Restructuring and Related Cost, Incurred Cost		3,032		1,657		1,376
Restructuring and Related Cost, Expected Cost Remaining				0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost				239
Restructuring and Related Cost, Incurred Cost		$ 239		175		$ 66
Restructuring and Related Cost, Expected Cost Remaining				$ 0

[1] (1) Current asset impairments include inventory charges recorded in cost of sales.

[2] (1) Asset and facilities costs include inventory charges recorded in cost of sales.