Basis of Presentation - Additional Information (Detail) - USD ($)	6 Months Ended		12 Months Ended
	Aug. 28, 2015	Aug. 29, 2014	Feb. 28, 2015
Adjustments for Error Correction [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Increase in net income due to decrease in tax expense		$ 4,100,000	$ 4,100,000
Schurman [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
End period of liquidity guaranty	2019-01
Schurman [Member] | Liquidity Guaranty [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Number of days after Schurman's lenders commence liquidation of collateral under Senior Credit Facility	91 days
Maximum exposure to loss, amount	$ 10,000,000
Schurman [Member] | Business Trade and Other Receivables [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Maximum exposure to loss, amount	29,400,000
Schurman [Member] | Operating Leases Subleased to Schurman [Member]
Basis Of Presentation And Significant Accounting Policies [Line Items]
Maximum exposure to loss, amount	$ 3,000,000