Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 74,455	$ 61,137	$ 126,196	$ 122,886
Other comprehensive income (loss):
Foreign currency translation adjustment	52,273	34,367	(61,525)	(79,251)
Change in value of derivative instruments, net of tax provision of $30 in 2015	0	0	0	47
Change in minimum pension liability, net of tax	7	7	14	14
Other comprehensive income (loss)	52,280	34,374	(61,511)	(79,190)
Comprehensive income	126,735	95,511	64,685	43,696
Less: comprehensive income attributable to noncontrolling interests	751	1,105	745	584
Comprehensive loss attributable to Cooper stockholders	$ 125,984	$ 94,406	$ 63,940	$ 43,112