Other Intangible Assets, Net (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Acquired Indefinite-lived Intangible Assets [Line Items]
Other intangible assets, gross	$ 209,318	$ 207,663
Accumulated amortization	(100,180)	(78,669)
Other intangible assets, net	109,138	128,994
Customer contracts and relationships
Acquired Indefinite-lived Intangible Assets [Line Items]
Other intangible assets, gross	201,922	199,822
Accumulated amortization	(94,150)	(72,607)
Other intangible assets, net	107,772	127,215
Trademarks and Trade Names
Acquired Indefinite-lived Intangible Assets [Line Items]
Other intangible assets, gross	5,250	5,150
Accumulated amortization	(4,428)	(4,224)
Other intangible assets, net	822	926
Contract Rights and Other
Acquired Indefinite-lived Intangible Assets [Line Items]
Other intangible assets, gross	2,146	2,691
Accumulated amortization	(1,602)	(1,838)
Other intangible assets, net	$ 544	$ 853