Leases - Additional Information (Detail)	12 Months Ended
Feb. 25, 2017
Minimum
Operating Leased Assets [Line Items]
Lease terms	3 years
Maximum
Operating Leased Assets [Line Items]
Lease terms	10 years

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