- (Additional Information) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015
Disclosure Income Taxes Additional Information [Abstract]
Effective income tax rates	26.20%	26.10%	25.30%	24.30%
Deferred Income Tax Expense (Benefit)			$ 1,280,000	$ (3,318,000)
Income (Loss) from Continuing Operations before Income Taxes, Foreign			$ 0.57	$ 0.57
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent			14.50%	12.40%
Tax Rate of Swiss Subsidiary			6.00%