Accumulated Other Comprehensive Loss - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
Aug. 29, 2015	Aug. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pension actuarial loss	$ (126,077)	$ (12,351)
Pension Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pension actuarial loss	$ (12,345)	$ (17,155)

Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 55

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=51821188&loc=d3e1436-108581

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 14A

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580

Name:	us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration