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Leases - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Aug. 31, 2014
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Aug. 31, 2013
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Aug. 31, 2012
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| Leases Disclosure [Line Items] | |||
| Due in 2015 | $ 32.1 | ||
| Due in 2016 | 28.7 | ||
| Due in 2017 | 25.5 | ||
| Due in 2018 | 21.3 | ||
| Due in 2019 | 18.0 | ||
| Due thereafter | 45.3 | ||
| Operating lease, rental expense | 31.6 | 26.0 | 24.2 |
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Minimum
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| Leases Disclosure [Line Items] | |||
| Lease agreements period | 1 year | ||
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Maximum
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| Leases Disclosure [Line Items] | |||
| Lease agreements period | 20 years | ||
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Viking
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| Leases Disclosure [Line Items] | |||
| Sale Leaseback Transaction, Lease Terms | seven year term | ||
| Sale Leaseback Transaction, Gross Proceeds | $ 41 | ||
| X | ||||||||||
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- Definition
Lease Agreement Term No definition available.
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| X | ||||||||||
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- Details
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- Definition
Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross proceeds received from the asset(s) sold in connection with the transaction involving the sale of property to another party and the lease back to the seller. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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