Other Balance Sheet Data (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 03, 2013	May 31, 2009	Mar. 03, 2013	Feb. 26, 2012
Other Balance Sheet Data Disclosure [Line Items]
Cash purchase price		$ 4,500
Additional contingent payable		5,500
Additional payable, cash paid				3,200
Additional contingent payable, payout period		5 years
Other payments to acquire business	2,200		2,200
Intangible assets amortization period			P15Y
Nelco Technology Ltd. Building [Member]
Other Balance Sheet Data Disclosure [Line Items]
Assets held-for-sale at carrying value	$ 1,890		$ 1,890