Restructuring and Cost Management Plans - Restructuring Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended			120 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015	Jan. 01, 2027	Jan. 09, 2017	Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 4,996	$ 757
Restructuring costs	6,935	2,824	$ 2,069
Deferred Tax Liabilities, Undistributed Foreign Earnings	38,600
Q4 FY17 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	4,135	0
Restructuring and Related Cost, Expected Cost	14,087
Cash Payments for Restructuring	407
Restructuring and Related Cost, Incurred Cost	(7,587)
Q4 FY17 Restructuring Plan [Member] | Operating Expense Less Inventory Write-off [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	(5,900)
Chelmsford [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	861	757	1,997			$ 1,050
Restructuring and Related Cost, Expected Cost	5,500
Cash Payments for Restructuring	297	4,064	985
Restructuring Charges, COGS and Opex	400	2,800	3,000
Restructuring and Related Cost, Incurred Cost	(401)	$ (2,824)	$ (1,932)
Inventory Write-off in Operating Expense [Member] | Q4 FY17 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ (1,700)
Mortgages [Member] | FacilityMorgageAgreementJan92017Member [Member]
Restructuring Cost and Reserve [Line Items]
Long-term Debt, Gross					$ 14,000
Scenario, Forecast [Member] | Mortgages [Member] | FacilityMorgageAgreementJan92017Member [Member]
Restructuring Cost and Reserve [Line Items]
Debt Instrument, Term				20 years