Goodwill and Other Intangible Assets - Summary of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 375,202	$ 381,262
Accumulated Amortization	108,163	89,952
Net Book Value	267,039	291,310
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	194,429	200,028
Accumulated Amortization	52,315	41,910
Net Book Value	142,114	158,118
Patent/Technology Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	92,836	93,799
Accumulated Amortization	31,125	27,030
Net Book Value	61,711	66,769
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	78,395	77,846
Accumulated Amortization	15,685	12,173
Net Book Value	62,710	65,673
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	8,182	8,220
Accumulated Amortization	7,687	7,600
Net Book Value	495	620
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Carrying Amount	1,360	1,369
Accumulated Amortization	1,351	1,239
Net Book Value	$ 9	$ 130