Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Acquisitions and Other Investments - A&P - Acquisition - Additional Information (Detail) $ in Millions		12 Months Ended
	Nov. 17, 2015 USD ($) Stores	Feb. 28, 2015 USD ($)	Dec. 02, 2017 USD ($)	Feb. 25, 2017 USD ($)	Feb. 27, 2016 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 1,013.8	$ 1,183.3	$ 1,167.8	$ 1,131.1
AP Transaction
Business Acquisition [Line Items]
Number of stores acquired \| Stores	73
Total purchase consideration	$ 292.7
Goodwill	$ 130.8
Acquisition related cost		$ 11.1