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Stock Transactions And Stock-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Millions |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2019 USD ($) shares | Dec. 18, 2019 shares | Mar. 01, 2019 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) shares | Apr. 15, 2022 shares | Jul. 16, 2013 shares
Repurchase of common stock authorized, shares | shares |  |  |  |  |  |  |  | 20,000,000
Stock repurchase program, remaining number of shares authorized to be repurchased, shares | shares | 20,000,000 |  |  | 20,000,000 |  |  |  |
Proceeds from the public offering of common stock, net of issuance costs |  |  |  | $ 1,443.2 | $ 0.0 | $ 0.0 |  |
Preferred stock, shares issued | shares | 1,650,000 |  |  | 1,650,000 | 0 |  |  |
Preferred stock, dividend rate, percentage | 4.75% |  |  |  |  |  |  |
Proceeds from the public offering of preferred stock, net of issuance costs |  |  |  | $ 1,599.6 | $ 0.0 | 0.0 |  |
Total number of authorized shares to be issued under the 2007 Omnibus Incentive Plan, shares | shares | 127,000,000 |  |  | 127,000,000 |  |  |  |
Common shares reserved for issuance under the 2007 Omnibus Incentive Plan, shares | shares | 60,000,000 |  |  | 60,000,000 |  |  |  |
Aggregate intrinsic value of options exercised |  |  |  | $ 266.0 | 202.0 | 162.0 |  |
Cash receipts due to exercise of options |  |  |  | 179.0 | 133.0 | 117.0 |  |
Employee service share-based compensation, tax benefit from exercise of stock options |  |  |  | 79.0 | 57.0 | 85.0 |  |
Tax benefit |  |  |  | $ 55.0 | $ 38.0 | 55.0 |  |
Aggregate number of shares withheld to satisfy tax requirement | shares |  |  |  | 402,000 | 400,000 |  |  |
Aggregate value of shares withheld to satisfy tax requirement |  |  |  | $ 49.0 | $ 41.0 |  |  |
RSUs/PSUs |  |  |  |  |  |  |  |
Vesting period of shares (in years) |  |  |  | 5 years |  |  |  |
Total unrecognized compensation cost | $ 149.0 |  |  | $ 149.0 |  |  |  |
Weighted average period for cost to be recognized (in years) |  |  |  | 2 years |  |  |  |
Employee service share-based compensation, tax benefit from exercise of stock options |  |  |  | $ 25.0 | 17.0 | 35.0 |  |
PSUs |  |  |  |  |  |  |  |
Vesting period of shares (in years) |  |  |  | 3 years |  |  |  |
Additional holding period (in years) |  |  |  | 2 years |  |  |  |
Stock options |  |  |  |  |  |  |  |
Vesting period of shares (in years) |  |  |  | 5 years |  |  |  |
Stock option term (in years) |  |  |  | 10 years |  |  |  |
Total unrecognized compensation cost | $ 147.0 |  |  | $ 147.0 |  |  |  |
Weighted average period for cost to be recognized (in years) |  |  |  | 3 years |  |  |  |
Employee service share-based compensation, tax benefit from exercise of stock options |  |  |  | $ 51.0 | $ 40.0 | $ 50.0 |  |
Common stock |  |  |  |  |  |  |  |
Issuance of stock | shares |  |  | 12,100,000 | 12,100,000 | 0 | 0 |  |
Shares issued, price per share | $ / shares |  |  | $ 123.00 |  |  |  |  |
Proceeds from the public offering of common stock, net of issuance costs |  |  | $ 1,400.0 |  |  |  |  |
Payments of stock issuance costs |  |  | 45.0 |  |  |  |  |
Preferred stock |  |  |  |  |  |  |  |
Issuance of stock | shares |  |  |  | 1,700,000 | 0 | 0 |  |
Payments of stock issuance costs |  |  | $ 50.0 |  |  |  |  |
Preferred stock, shares issued | shares |  |  | 1,650,000 |  |  |  |  |
Preferred stock, dividend rate, percentage |  |  | 4.75% |  |  |  |  |
Preferred stock, liquidation preference per share | $ / shares |  |  | $ 1,000 |  |  |  |  |
Proceeds from the public offering of preferred stock, net of issuance costs |  |  | $ 1,600.0 |  |  |  |  |
Threshold consecutive trading days |  |  | 20 |  |  |  |  |
Preferred stock, dividend rate, per-dollar-amount | $ / shares |  |  | $ 47.50 |  |  |  |  |
Preferred stock | Minimum | Scenario, forecast |  |  |  |  |  |  |  |
Convertible preferred stock, shares issued upon conversion | shares |  |  |  |  |  |  | 6.6531 |
Preferred stock | Maximum | Scenario, forecast |  |  |  |  |  |  |  |
Convertible preferred stock, shares issued upon conversion | shares |  |  |  |  |  |  | 8.1500 |
Envista | Envista Split-Off |  |  |  |  |  |  |  |
Shares repurchased | shares |  | 22,900,000 |  |  |  |  |  |

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