Commitments and Contingencies - Future Minimum Rental Commitments Under Non-Cancelable Operating Leases (Detail) (USD $) In Millions, unless otherwise specified	Nov. 30, 2013
Commitments And Contingencies Disclosure [Abstract]
Future Minimum Rental Commitments, 2014	$ 21.4
Future Minimum Rental Commitments, 2015	18.4
Future Minimum Rental Commitments, 2016	15.5
Future Minimum Rental Commitments, 2017	11.2
Future Minimum Rental Commitments, 2018	10.4
Future Minimum Rental Commitments, Thereafter	45.2
Future Minimum Rental Commitments, Total	122.1
Future Minimum Rental Income, 2014	5.7
Future Minimum Rental Income, 2015	4.6
Future Minimum Rental Income, 2016	2.5
Future Minimum Rental Income, 2017	0.2
Future Minimum Rental Income, 2018
Future Minimum Rental Income, Thereafter
Future Minimum Rental Income, Total	$ 13.0

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

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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.

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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.

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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.

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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.

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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.

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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.

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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