Intangible Assets (Schedule of Goodwill) (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended |
---|---|---|
Apr. 30, 2019 |
Oct. 31, 2018 |
|
Goodwill [Roll Forward] | ||
Balance, beginning | $ 2,392.1 | $ 2,354.8 |
Net additions during the six months ended April 30, 2019 | 35.8 | 71.2 |
Translation | 10.6 | (33.9) |
Balance, ending | 2,438.5 | 2,392.1 |
CooperVision | ||
Goodwill [Roll Forward] | ||
Balance, beginning | 1,742.9 | 1,735.7 |
Net additions during the six months ended April 30, 2019 | 13.8 | 36.8 |
Translation | 11.2 | (29.6) |
Balance, ending | 1,767.9 | 1,742.9 |
CooperSurgical | ||
Goodwill [Roll Forward] | ||
Balance, beginning | 649.2 | 619.1 |
Net additions during the six months ended April 30, 2019 | 22.0 | 34.4 |
Translation | (0.6) | (4.3) |
Balance, ending | $ 670.6 | $ 649.2 |