Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Income Statement [Abstract]
Net sales	$ 2,922.5	$ 2,430.9	$ 2,653.4
Cost of sales	966.7	896.1	896.6
Gross profit	1,955.8	1,534.8	1,756.8
Selling, general and administrative expense	1,211.2	992.5	996.2
Research and development expense	92.7	93.3	86.7
Amortization of intangibles	146.1	137.2	145.8
Impairment of intangibles	0.0	0.0	0.4
Gain on sale of an intangible	0.0	0.0	(19.0)
Operating income	505.8	311.8	546.7
Interest expense	23.1	36.8	68.0
Other (income) expense, net	(8.8)	8.5	1.3
Income before income taxes	491.5	266.5	477.4
Provision for income taxes (Note 6)	(2,453.2)	28.1	10.7
Net income	2,944.7	238.4	466.7
Net income attributable to Cooper stockholders	$ 2,944.7	$ 238.4	$ 466.7
Earnings per share (Note 7)
Basic (in dollars per share)	$ 59.80	$ 4.85	$ 9.44
Diluted (in dollars per share)	$ 59.16	$ 4.81	$ 9.33
Number of shares used to compute earnings per share:
Basic (in shares)	49.2	49.1	49.4
Diluted (in shares)	49.8	49.6	50.0