Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 79,636	$ 75,467	$ 151,901	$ 150,401
Other comprehensive income (loss):
Foreign currency translation adjustment	19,962	(14,783)	23,157	(13,410)
Change in value of derivative instruments, net of tax provision of $175 and $397 for the three and six months ended April 30, 2014, respectively, and $156 and $387 for the corresponding periods of fiscal 2013, respectively	274	244	622	607
Change in minimum pension liability, net of tax	7	7	14	14
Unrealized gain on marketable securities, net of tax provision of $0 for the three and six months ended April 30, 2014, and $13 and $25 for the corresponding periods of fiscal 2013, respectively	0	25	0	47
Other comprehensive income (loss)	20,243	(14,507)	23,793	(12,742)
Comprehensive income	99,879	60,960	175,694	137,659
Comprehensive (income) loss attributable to noncontrolling interests	(649)	294	(647)	626
Comprehensive income attributable to Cooper stockholders	$ 99,230	$ 61,254	$ 175,047	$ 138,285