Debt - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
	Mar. 31, 2015	Aug. 28, 2015	Aug. 26, 2016	Feb. 29, 2016
Debt Disclosure [Line Items]
Unamortized financing fees written off		$ 1,800
Debt issuance costs		8,026	$ 6,219	$ 7,123
Term Loan Facility [Member]
Debt Disclosure [Line Items]
Interest on credit facility borrowings			3.00%
Voluntary prepayments on term loan facility	$ 65,000
Revolving Credit Facility [Member]
Debt Disclosure [Line Items]
Interest on credit facility borrowings			3.00%
Current borrowing capacity			$ 250,000
Letters of Credit [Member]
Debt Disclosure [Line Items]
Amount of letters of credit outstanding under revolving credit facilities			25,900
Non Publicly Traded [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Disclosure [Line Items]
Fair value of traded debt		240,500	200,000	185,000
Carrying value of Corporation's non-publicly traded debt		241,000	200,000	185,000
Accounting Standards Update 2015-03 [Member]
Debt Disclosure [Line Items]
Debt issuance costs		3,600		3,300
Accounts Receivable Facility [Member]
Debt Disclosure [Line Items]
Current borrowing capacity			50,000
Publicly Traded [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Disclosure [Line Items]
Fair value of traded debt		234,100	235,500	229,600
Carrying value of Corporation's publicly traded debt		$ 225,200	$ 225,200	$ 225,200