Debt - Additional Information (Detail) (USD $)	6 Months Ended		12 Months Ended
	Aug. 29, 2014	Aug. 30, 2013	Feb. 28, 2014
Debt Disclosure [Line Items]
Debt due within one year	$ 20,000,000	$ 15,000,000	$ 20,000,000
Letters of credit outstanding	27,700,000
Carrying value of Corporation's publicly traded debt	545,590,000	578,480,000	559,114,000
Amendment [Member]
Debt Disclosure [Line Items]
Credit facility amendment description	(i) reduce the interest rates applicable to the term loan and revolving loans, (ii) eliminate the LIBOR floor interest rate used in the determination of interest charged on Eurodollar revolving loans, (iii) reduce the commitment fee applicable to unused revolving commitments and (iv) reset the usage term of the general restricted payment basket with effect from September 5, 2014.
Accounts Receivable Facility [Member]
Debt Disclosure [Line Items]
Available financing of receivables	50,000,000
Balances outstanding under the amended and restated receivables purchase agreement	0	0	0
Term Loan Facility [Member]
Debt Disclosure [Line Items]
Interest on credit facility borrowings	4.00%
Revolving Credit Facility [Member]
Debt Disclosure [Line Items]
Current borrowing capacity	250,000,000
Publicly Traded [Member]
Debt Disclosure [Line Items]
Fair value of Corporation's publicly and non-publicly traded debt	240,300,000	222,900,000	234,700,000
Carrying value of Corporation's publicly traded debt	225,200,000	225,200,000	225,200,000
Non Publicly Traded [Member]
Debt Disclosure [Line Items]
Fair value of Corporation's publicly and non-publicly traded debt	330,000,000	363,900,000	344,500,000
Carrying value of Corporation's non-publicly traded debt	$ 330,000,000	$ 363,900,000	$ 344,500,000