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