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Equity (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule Of Stock Offering Program

The following table summarizes our activity under the ATM program:

Year Ending December 31,			2020						2019						2018
Number of shares issued			8,459,430						8,422,498						8,883,014
Average price per share			$	23.60					$	27.75					$	26.85
Proceeds, net of fees (in millions)			$	196.5					$	229.1					$	232.5

Schedule of Stock by Class - Preferred

The following table summarizes preferred stock by outstanding series of shares:

									Year ended December 31,									December 31,						December 31,
									2020			2019			2018			2020						2019
(in millions except shares and per share amounts)			Liquidation Preference Per Share			Shares			Dividends Declared Per Share									Outstanding
5.650% Series A			$	1,000.00		400,000			$	56.50		$	56.50		$	28.88		$	393.9					$	393.9
6.500% Series B			$	25,000.00		20,000			$	1,625.00		$	1,674.65		$	—		$	486.1					$	486.1

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Tabular disclosure of distribution of common stock made by the entity based on a contractual equity distribution agreement, including number of shares, share price and proceeds.

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Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

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