Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Earnings Per Share

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Potentially Dilutive Securities Excluded from Computation of Earnings, Amount

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EARNINGS PER COMMON SHARE - ADDITIONAL INFORMATION (Details) - USD ($) $ / shares in Units, $ in Millions			2 Months Ended	3 Months Ended		6 Months Ended
	May 12, 2020	Mar. 09, 2020	May 12, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Line Items]
Potentially dilutive securities excluded from computation of earnings per share, amount (in shares)				700,000		1,000,000.0
Antidilutive common stock options not included in the computation of diluted earnings per common share (in shares)				4,200,000	3,100,000
Accelerated share repurchases, authorized amount		$ 140.0
Accelerated share repurchases, settlement (payment) or receipt		$ 140.0
Stock repurchased during period, shares (in shares)	1,000,000.0	2,700,000
Accelerated share repurchases, final price paid per share (in usd per share)		$ 42.12
Arithmetic Average
Earnings Per Share [Line Items]
Accelerated share repurchases, final price paid per share (in usd per share)			$ 38.88
Stock Options And Restricted Stock Units
Earnings Per Share [Line Items]
Antidilutive common stock options not included in the computation of diluted earnings per common share (in shares)						3,100,000
Common Stock
Earnings Per Share [Line Items]
Antidilutive common stock options not included in the computation of diluted earnings per common share (in shares)							3,600,000