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Accounts Payable, Accrued Liabilities and Guarantees 3 (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 3 Months Ended
Aug. 30, 2014
Mar. 01, 2014
HVAC Air Filtration Manufacturing Facility [Member]
Mar. 01, 2014
HVAC Air Filtration Manufacturing Facility [Member]
Cost of Sales [Member]
Mar. 01, 2014
HVAC Air Filtration Manufacturing Facility [Member]
Selling and Administrative Expenses [Member]
Accounts Payable and Accrued Liabilities [Line Items]        
Restructuring Charges   $ 1,315 $ 1,186 $ 129
Impairment of long-lived assets and leasehold improvements 863      
Severance and related employee termination costs $ 452