Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 73,918	$ 86,412
Changes in fair value, net of tax	(14,608)	9,159
Ending balance	59,496	94,522
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net losses (gains) reclassified to COGS	186	(1,135)
Net losses reclassified to foreign currency loss		86
Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(4,591)	5,756
Changes in fair value, net of tax	6,107	(2,599)
Ending balance	1,702	2,108
Derivative Instruments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net losses (gains) reclassified to COGS	186	(1,135)
Net losses reclassified to foreign currency loss		86
Foreign Currency Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	78,509	80,656
Changes in fair value, net of tax	(20,715)	11,758
Ending balance	$ 57,794	$ 92,414