Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Income Statement [Abstract]
Net sales	$ 590,000	$ 499,100
Cost of sales	219,100	186,700
Gross profit	370,900	312,400
Selling, general and administrative expense	225,900	188,600
Research and development expense	18,800	16,300
Amortization of intangibles	36,000	16,800
Operating income	90,200	90,700
Interest expense	18,400	7,300
Other (income) expense, net	(3,000)	3,300
Income before income taxes	74,800	80,100
Provision for income taxes	197,300	4,300
Net (loss) income attributable to Cooper stockholders	$ (122,500)	$ 75,800
Earnings per share attributable to Cooper stockholders - basic (in dollars per share)	$ (2.50)	$ 1.55
Earnings per share attributable to Cooper stockholders - diluted (in dollars per share)	$ (2.50)	$ 1.53
Number of shares used to compute (loss) earnings per share:
Basic (shares)	48,900	48,800
Diluted (shares)	48,900	49,400