Intangible Assets (Tables)

6 Months Ended

Apr. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill

(In millions)	CooperVision		CooperSurgical		Total
Balance at October 31, 2016	$	1,646.4	$	518.3	$	2,164.7
Net additions during the year ended October 31, 2017	28.6		94.4		123.0
Translation	60.7		6.4		67.1
Balance at October 31, 2017	1,735.7		619.1		2,354.8
Net additions during the six months ended April 30, 2018	36.8		31.6		68.4
Translation	34.1		3.8		37.9
Balance at April 30, 2018	$	1,806.6	$	654.5	$	2,461.1

Schedule of Other Intangible Assets

Other Intangible Assets

	April 30, 2018				October 31, 2017
(In millions)	Gross Carrying Amount		Accumulated Amortization & Translation		Gross Carrying Amount		Accumulated Amortization & Translation		Weighted Average Amortization Period (In years)
Trademarks	$	140.5	$	11.9	$	44.5	$	10.3	17
Composite intangible asset	1,061.9		35.4		—		—		15
Technology	407.9		186.5		428.8		173.2		11
Customer relationships	359.4		158.5		335.5		145.3		13
License and distribution rights and other	75.3		50.7		69.2		44.5		9
	2,045.0		$	443.0	878.0		$	373.3	14
Less: accumulated amortization and translation	443.0				373.3
Other intangible assets, net	$	1,602.0			$	504.7

Finite-lived Intangible Assets Amortization Expense

The estimation of amortization expenses for fiscal 2018 to 2022 for our existing other intangible assets at April 30, 2018, are as follows:

Fiscal year	(In millions)
2018	$	145.4
2019	$	143.3
2020	$	133.0
2021	$	131.6
2022	$	129.5