Pension and Savings Plans - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Nov. 21, 2015	Aug. 27, 2016
Defined Benefit Plan Disclosure [Line Items]
Annual contributions by the Company to pension plans	$ 1,500
Expected contributions to the plans by the Company in fiscal 2016	4,800
Change to net periodic pension expense	$ (411)
Scenario Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Change to net periodic pension expense		$ (1,800)

Net increase or decrease in the plan benefit obligation during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period.

+ References

No definition available.

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