Debt - Long-Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 30, 2013	Feb. 28, 2013	Aug. 24, 2012
Debt Instrument [Line Items]
Long-term debt	$ 589,081	$ 286,381	$ 280,181
Current maturity of term loan	(15,000)
Long-term debt, Non current	563,480	286,381	280,181
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt	350,000
7.375% Senior Notes, Due 2021 [Member]
Debt Instrument [Line Items]
Long-term debt	225,000	225,000	225,000
Revolving Credit Facility, Due 2017 [Member]
Debt Instrument [Line Items]
Long-term debt		61,200	55,000
Revolving Credit Facility, Due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt	13,900
6.10% senior notes, due 2028 [Member]
Debt Instrument [Line Items]
Long-term debt	181	181	181
Term Loan Facility [Member]
Debt Instrument [Line Items]
Unamortized original issue discount	$ (10,601)