Restructuring Charges - Activity and Liability Balances (Detail) - Restructuring Plan Two Thousand Thirteen And Two Thousand Eleven [Member] - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 23,801	$ 19,098	$ 12,191
Charged to expense	19,328	34,645	28,509
Cash payments	(25,030)	(29,942)	(21,010)
Adjustments			(592)
Less: Reclassification to liabilities subject to compromise	(11,227)
Ending Balance	6,872	23,801	19,098
Workforce [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	11,510	12,159	5,335
Charged to expense	10,233	19,350	22,671
Cash payments	(11,502)	(19,999)	(15,847)
Adjustments			0
Less: Reclassification to liabilities subject to compromise	(9,353)
Ending Balance	888	11,510	12,159
Facility & Other [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	12,291	6,939	6,856
Charged to expense	9,095	15,295	5,838
Cash payments	(13,528)	(9,943)	(5,163)
Adjustments			(592)
Less: Reclassification to liabilities subject to compromise	(1,874)
Ending Balance	$ 5,984	$ 12,291	$ 6,939