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Employee Benefit Plans Employee Benefit Plans (Amounts Recognized in Balance Sheet) (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2015
Mar. 01, 2014
Compensation and Retirement Disclosure [Abstract]    
Current liabilities $ (648)us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities $ (638)us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
Other non-current liabilities (11,186)us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent (9,206)us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
Total $ (11,834)us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent $ (9,844)us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent