Valuation and Qualifying Account (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 01, 2013	Jun. 02, 2012	May 28, 2011
Valuation and Qualifying Accounts Disclosure [Line Items]
Inventory, write-offs	$ 607	$ 512	$ 1,926
EDG
Valuation and Qualifying Accounts Disclosure [Line Items]
Inventory, write-offs	200	200	700
Canvys
Valuation and Qualifying Accounts Disclosure [Line Items]
Inventory, write-offs	$ 200	$ 200	$ 400