Goodwill (Details) (USD $)			12 Months Ended		12 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014 Eolite Systems	Jun. 14, 2012 Eolite Systems	Mar. 31, 2012 PyroPhotonics Lasers, Inc
Goodwill [Line Items]
Goodwill	$ 7,889,000	$ 7,889,000		$ 3,900,000
Goodwill, Acquired During Period			3,900,000		4,000,000
Acquired intangibles				$ 5,500,000