Common Stock, Quarterly Dividends, Per Share, Declared

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 21, 2021	Mar. 31, 2019	Mar. 31, 2018
Accelerated Share Repurchases [Line Items]
Cash dividends declared and paid per common share (in dollars per share)		$ 0.16	$ 0.63	$ 0.63	$ 0.60
Common stock, shares authorized (in shares)		150,000,000	150,000,000	150,000,000
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)		75,471,562	74,962,231	75,471,562
Shares available for grant (in shares)			3,853,244
Purchases and retirement of common stock			$ 55.0	$ 130.0	$ 184.3
Remaining authorized repurchase amount			$ 245.0
Common stock, quarterly dividends declared (in dollars per share)	$ 0.16						$ 0.15	$ 0.15
Accelerated Share Repurchase
Accelerated Share Repurchases [Line Items]
Purchases and retirement of common stock	$ 55.0			$ 130.0
Purchases and retirement of common stock (in shares)	970,141			1,794,256
Subsequent Event [Member]
Accelerated Share Repurchases [Line Items]
Common stock, quarterly dividends declared (in dollars per share)						$ 0.16