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EARNINGS PER COMMON SHARE - ADDITIONAL INFORMATION (Details) $ / shares in Units, $ in Millions		3 Months Ended
	Mar. 09, 2020 USD ($) $ / shares shares	Mar. 31, 2020 shares	Mar. 31, 2019 shares
Earnings Per Share [Line Items]
Accelerated share repurchases, authorized amount | $	$ 140.0
Payments for accelerated share repurchase program | $	$ (140.0)
Stock repurchased during period, shares (in shares)	2,700,000
Accelerated share repurchases, final price paid per share (in usd per share) | $ / shares	$ 42.12
Accelerated share repurchases, shares expected to be repurchased, percentage delivered	0.80
Common Stock
Earnings Per Share [Line Items]
Antidilutive common stock options not included in the computation of diluted earnings per common share (in shares)		1,400,000	4,500,000
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)		2,600,000

X

- Definition

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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-SubTopic 30
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Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

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- Definition

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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- Definition

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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Delivered" at the end - Accelerated Share Repurchases, Shares Expected To Be Repurchased, Percentage Delivered

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