Employee Benefit Plans Employee Benefit plans (Schedule of Accumulated Other Comprehensive Loss That Have Not Yet Been Recognized as Components of Net Periodic Benefit Cost) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 02, 2013	Mar. 03, 2012
Compensation and Retirement Disclosure [Abstract]
Net actuarial loss	$ 4,598	$ 4,335
Accumulated other comprehensive loss	$ 4,598	$ 4,335