Leases - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
Aug. 29, 2015	Aug. 30, 2014	Aug. 31, 2013
Leases [Line Items]
Rental expense	$ 269,500	$ 253,800	$ 246,300
Deferred rent	113,700	104,600
Capital lease assets	132,300	121,200
Capital lease, accumulated amortization	63,700	53,600
Capital lease obligations	128,200	119,600
Current portion of capital lease obligations	40,528	$ 36,505
Remaining aggregate rental obligation	$ 2,058,805
Sublease in Connection with Sale of TruckPro Business [Member]
Leases [Line Items]
Initial term of subleased properties in connection with sale of TruckPro business	Not less than 20 years
Remaining aggregate rental obligation	$ 12,300

Leases [Line Items]

No definition available.

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- Definition

The time span of lease.

+ References

No definition available.

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

+ Details

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

+ Details

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- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

+ References

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-Publisher FASB

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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-Publisher FASB

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