Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 139,900	$ 372,900	$ 274,900
Foreign currency translation adjustment	(58,500)	107,700	(289,600)
Change in minimum pension liability, net of tax provision (benefit) of $3.1, $4.2 and $(5.3), respectively	7,900	6,600	(8,400)
Other comprehensive (loss) income	(50,600)	114,300	(298,000)
Comprehensive income (loss)	89,300	487,200	(23,100)
Less: comprehensive income attributable to noncontrolling interests	0	0	900
Comprehensive income (loss) attributable to Cooper stockholders	$ 89,300	$ 487,200	$ (24,000)