Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 89,192	$ 66,954	$ 239,594	$ 176,498
Other comprehensive income (loss):
Foreign currency translation adjustment	(12,697)	(17,501)	(26,108)	(20,814)
Change in value of derivative instruments, net of tax provision (benefit) of $260 and $647 for the three and nine months ended July 31, 2013, respectively, and $(35) and $147 for the corresponding period of fiscal 2012, respectively	406	(53)	1,013	231
Change in minimum pension liability, net of tax	7	7	22	22
Unrealized (loss) gain on marketable securities, net of tax (benefit) provision of $(3) and $22 for the three and nine months ended July 31, 2013, respectively, and $(9) and $20 for the corresponding period of fiscal 2012, respectively	(5)	(16)	41	40
Reclassification of realized gain on marketable securities to net income, net of tax of $51	(95)	0	(95)	0
Other comprehensive loss	(12,384)	(17,563)	(25,127)	(20,521)
Comprehensive income	76,808	49,391	214,467	155,977
Comprehensive loss attributable to noncontrolling interests	114	0	740	0
Comprehensive income attributable to Cooper stockholders	$ 76,922	$ 49,391	$ 215,207	$ 155,977