This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460

Name:	us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Merger - Charges Incurred Associated with Merger (Detail) (USD $)	3 Months Ended		9 Months Ended
	Nov. 29, 2013	Nov. 23, 2012	Nov. 29, 2013	Nov. 23, 2012
Restructuring Cost and Reserve [Line Items]
Total	$ 74,814,000	$ 74,483,000	$ 228,578,000	$ 225,521,000
Merger [Member]
Restructuring Cost and Reserve [Line Items]
Total			27,800,000
Administrative and General Expenses [Member] \| Merger [Member]
Restructuring Cost and Reserve [Line Items]
Incremental compensation expense			10,400,000
Transaction costs			$ 17,400,000