Intangible Assets and Goodwill - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014	Oct. 31, 2014
Indefinite-lived Intangible Assets [Line Items]
Goodwill Impairments	$ 79,583,000	$ 178,197,000	$ 79,583,000	$ 178,197,000	$ 178,197,000
Asset impairments	$ 96,978,000	178,377,000	$ 97,936,000	183,843,000
Percentage of fair value in excess of carrying amount	4.00%		4.00%
Intangible amortization expense			$ 2,000,000
Estimated annual amortization expense fiscal 2016	$ 3,000,000		3,000,000
Estimated annual amortization expense fiscal 2017	2,000,000		2,000,000
Estimated annual amortization expense fiscal 2018	2,000,000		2,000,000
Estimated annual amortization expense fiscal 2019	2,000,000		2,000,000
Estimated annual amortization expense fiscal 2020	1,000,000		1,000,000
Estimated annual amortization expense fiscal 2021	1,000,000		$ 1,000,000
Non-Compete Agreements, Patents and Customer Relationships | Minimum
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life of trademarks and licenses			5 years
Non-Compete Agreements, Patents and Customer Relationships | Maximum
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life of trademarks and licenses			18 years
Trademarks and Licenses
Indefinite-lived Intangible Assets [Line Items]
Finite lived intangible asset residual value	0		$ 0
Trademarks and Licenses | Minimum
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life of trademarks and licenses			10 years
Trademarks and Licenses | Maximum
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life of trademarks and licenses			25 years
APAC
Indefinite-lived Intangible Assets [Line Items]
Goodwill Impairments					0
Americas
Indefinite-lived Intangible Assets [Line Items]
Goodwill Impairments			$ 73,376,000		$ 0
EMEA
Indefinite-lived Intangible Assets [Line Items]
Goodwill Impairments		178,000,000		178,000,000
Operating Segments | EMEA
Indefinite-lived Intangible Assets [Line Items]
Goodwill Impairments	0	$ 178,197,000	$ 0	$ 178,197,000
Asset impairments	$ 16,000,000
2018 Notes - 7.875% Fixed
Indefinite-lived Intangible Assets [Line Items]
Stated interest rate	7.875%		7.875%
2020 Notes - 10.000% Fixed
Indefinite-lived Intangible Assets [Line Items]
Stated interest rate	10.00%		10.00%
2017 Notes - 8.875% Fixed
Indefinite-lived Intangible Assets [Line Items]
Stated interest rate	8.875%		8.875%