Customer Allowances and Discounts - Additional Information (Detail) - USD ($) $ in Millions	Nov. 27, 2015	Feb. 28, 2015	Nov. 28, 2014
Allowance for Rebates [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Trade allowances and discounts settled in cash	$ 16.6	$ 17.0	$ 16.1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration