Related Party Information (Transactions with Parent Companies and Other Affiliated Companies) - Additional Information (Detail) - USD ($)	6 Months Ended
	Aug. 26, 2016	Aug. 28, 2015	Feb. 29, 2016
Related Party Transaction [Line Items]
Cash dividends paid to parent	$ 13,894,000	$ 20,724,000
Century Intermediate Holding Company [Member]
Related Party Transaction [Line Items]
Tax sharing arrangement, net amounts due from affiliates	300,000	0	$ 300,000
Tax sharing arrangement, net amounts due to affiliates		$ 0
Century Intermediate Holding Company [Member] | Senior Payment In Kind Toggle Notes [Member]
Related Party Transaction [Line Items]
Aggregate principal amount of an indirect parent company's Senior PIK Toggle notes	$ 285,000,000
Cash interest rate percentage	9.75%
PIK interest rate percentage	10.50%
Cash dividends paid to parent	$ 13,900,000
Due year	2019