Consolidated Condensed Statements of Stockholders' Equity - USD ($) $ in Millions | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Shares | Treasury Stock | Treasury Stock Par Net Value | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Retained EarningsCumulative Effect, Period of Adoption, Adjustment | Noncontrolling Interests |
Beginning balance (in shares) at Oct. 31, 2019 | | | 49,100,000 | 4,100,000 | | | | | | |
Beginning balance at Oct. 31, 2019 | $ 3,628.6 | | $ 4.9 | $ (571.2) | $ 0.4 | $ 1,615 | $ (447.1) | $ 3,026.4 | | $ 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income attributable to Cooper stockholders | 90.5 | | | | | | | 90.5 | | |
Other comprehensive income (loss), net of tax | 16.7 | | | | | | 16.7 | | | |
Issuance of common stock for stock plans, net (in shares) | | | 100,000 | | | | | | | |
Issuance of common stock for stock plans, net | (13.1) | | | | | (13.2) | | | | |
Dividends on common stock ($0.03 per share) | (1.5) | | | | | | | (1.5) | | |
Share-based compensation expense | 9.7 | | | | | 9.7 | | | | |
Ending balance (in shares) at Jan. 31, 2020 | | | 49,200,000 | 4,100,000 | | | | | | |
Ending balance at Jan. 31, 2020 | 3,730.9 | | $ 4.9 | $ (571.2) | 0.4 | 1,611.6 | (430.4) | 3,115.4 | | 0.2 |
Beginning balance (in shares) at Oct. 31, 2019 | | | 49,100,000 | 4,100,000 | | | | | | |
Beginning balance at Oct. 31, 2019 | 3,628.6 | | $ 4.9 | $ (571.2) | 0.4 | 1,615 | (447.1) | 3,026.4 | | 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income attributable to Cooper stockholders | $ 102 | | | | | | | | | |
Treasury stock repurchase (in shares) | 160,800 | | | | | | | | | |
Treasury stock repurchase | $ (47.8) | | | | | | | | | |
Ending balance (in shares) at Apr. 30, 2020 | | | 49,100,000 | 4,300,000 | | | | | | |
Ending balance at Apr. 30, 2020 | 3,627.5 | | $ 4.9 | $ (618.6) | 0.4 | 1,626.5 | (512.8) | 3,126.9 | | 0.2 |
Beginning balance (in shares) at Oct. 31, 2019 | | | 49,100,000 | 4,100,000 | | | | | | |
Beginning balance at Oct. 31, 2019 | $ 3,628.6 | | $ 4.9 | $ (571.2) | 0.4 | 1,615 | (447.1) | 3,026.4 | | 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Accounting Standards Update [Extensible List] | us-gaap:AccountingStandardsUpdate201613Member | | | | | | | | | |
Ending balance (in shares) at Oct. 31, 2020 | 49,100,000 | | 49,100,000 | 4,300,000 | | | | | | |
Ending balance at Oct. 31, 2020 | $ 3,824.8 | $ (1.4) | $ 4.9 | $ (617.3) | 0.4 | 1,646.8 | (472) | 3,261.8 | $ (1.4) | 0.2 |
Beginning balance (in shares) at Jan. 31, 2020 | | | 49,200,000 | 4,100,000 | | | | | | |
Beginning balance at Jan. 31, 2020 | 3,730.9 | | $ 4.9 | $ (571.2) | 0.4 | 1,611.6 | (430.4) | 3,115.4 | | 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income attributable to Cooper stockholders | 11.5 | | | | | | | 11.5 | | |
Other comprehensive income (loss), net of tax | (82.4) | | | | | | (82.4) | | | |
Issuance of common stock for stock plans, net (in shares) | | | 100,000 | | | | | | | |
Issuance of common stock for stock plans, net | 5 | | | | | 5 | | | | |
Issuance of common stock for employee stock purchase plan | 1 | | | $ 0.4 | | 0.6 | | | | |
Share-based compensation expense | 9.3 | | | | | 9.3 | | | | |
Treasury stock repurchase (in shares) | | | 200,000 | 200,000 | | | | | | |
Treasury stock repurchase | (47.8) | | | $ (47.8) | | | | | | |
Ending balance (in shares) at Apr. 30, 2020 | | | 49,100,000 | 4,300,000 | | | | | | |
Ending balance at Apr. 30, 2020 | $ 3,627.5 | | $ 4.9 | $ (618.6) | 0.4 | 1,626.5 | (512.8) | 3,126.9 | | 0.2 |
Beginning balance (in shares) at Oct. 31, 2020 | 49,100,000 | | 49,100,000 | 4,300,000 | | | | | | |
Beginning balance at Oct. 31, 2020 | $ 3,824.8 | (1.4) | $ 4.9 | $ (617.3) | 0.4 | 1,646.8 | (472) | 3,261.8 | (1.4) | 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income attributable to Cooper stockholders | 2,101.1 | | | | | | | 2,101.1 | | |
Other comprehensive income (loss), net of tax | 90.7 | | | | | | 90.7 | | | |
Issuance of common stock for stock plans, net (in shares) | | | 100,000 | | | | | | | |
Issuance of common stock for stock plans, net | (11) | | | | | (11) | | | | |
Issuance of common stock for employee stock purchase plan | 1.4 | | | $ 0.6 | | 0.8 | | | | |
Dividends on common stock ($0.03 per share) | (1.5) | | | | | | | (1.5) | | |
Share-based compensation expense | 10.6 | | | | | 10.6 | | | | |
Treasury stock repurchase (in shares) | | | 100,000 | 100,000 | | | | | | |
Treasury stock repurchase | (24.8) | | | $ (24.8) | | | | | | |
Ending balance (in shares) at Jan. 31, 2021 | | | 49,100,000 | 4,400,000 | | | | | | |
Ending balance at Jan. 31, 2021 | $ 5,989.9 | | $ 4.9 | $ (641.5) | 0.4 | 1,647.2 | (381.3) | 5,360 | | 0.2 |
Beginning balance (in shares) at Oct. 31, 2020 | 49,100,000 | | 49,100,000 | 4,300,000 | | | | | | |
Beginning balance at Oct. 31, 2020 | $ 3,824.8 | $ (1.4) | $ 4.9 | $ (617.3) | 0.4 | 1,646.8 | (472) | 3,261.8 | $ (1.4) | 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income attributable to Cooper stockholders | $ 2,218.6 | | | | | | | | | |
Treasury stock repurchase (in shares) | 69,600 | | | | | | | | | |
Treasury stock repurchase | $ (24.8) | | | | | | | | | |
Ending balance (in shares) at Apr. 30, 2021 | 49,200,000 | | 49,200,000 | 4,400,000 | | | | | | |
Ending balance at Apr. 30, 2021 | $ 6,162.8 | | $ 5 | $ (640.9) | 0.4 | 1,667.8 | (347.2) | 5,477.5 | | 0.2 |
Beginning balance (in shares) at Jan. 31, 2021 | | | 49,100,000 | 4,400,000 | | | | | | |
Beginning balance at Jan. 31, 2021 | 5,989.9 | | $ 4.9 | $ (641.5) | 0.4 | 1,647.2 | (381.3) | 5,360 | | 0.2 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income attributable to Cooper stockholders | 117.5 | | | | | | | 117.5 | | |
Other comprehensive income (loss), net of tax | 34.1 | | | | | | 34.1 | | | |
Issuance of common stock for stock plans, net (in shares) | | | 100,000 | | | | | | | |
Issuance of common stock for stock plans, net | 9.8 | | $ 0.1 | | | 9.7 | | | | |
Issuance of common stock for employee stock purchase plan | 1.5 | | | $ 0.6 | | 0.9 | | | | |
Share-based compensation expense | $ 10 | | | | | 10 | | | | |
Treasury stock repurchase (in shares) | 0 | | | | | | | | | |
Ending balance (in shares) at Apr. 30, 2021 | 49,200,000 | | 49,200,000 | 4,400,000 | | | | | | |
Ending balance at Apr. 30, 2021 | $ 6,162.8 | | $ 5 | $ (640.9) | $ 0.4 | $ 1,667.8 | $ (347.2) | $ 5,477.5 | | $ 0.2 |