Business Segment Information (Termination Benefits ) - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
May 27, 2016	Feb. 29, 2016	May 29, 2015
Segment Reporting [Abstract]
Compensation termination benefits description	Termination benefits are primarily considered part of an ongoing benefit arrangement, accounted for in accordance with ASC Topic 712, "Compensation - Nonretirement Postemployment Benefits," and are recorded when payment of the benefits is probable and can be reasonably estimated.
Severance accrual	$ 3.1	$ 3.5	$ 3.3

Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Postemployment Benefits
-URI http://asc.fasb.org/extlink&oid=6519534

Name:	us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant