Common Stock and Related Matters (Tables)

3 Months Ended

Mar. 31, 2018

Class Of Stock Disclosures [Abstract]

Dividends Declared and/or Paid

The following table details the dividends declared and/or paid by us to common shareholders for the three months ended March 31, 2018.  

Three Months Ended	Date Paid or To Be Paid		Total Common Dividends Declared			Amount of Common Dividends Paid or To Be Paid			Accrued Dividends (1)			Dividends Declared per Share of Common Stock
(In millions, except per share amounts)
March 31, 2018	May 15, 2018	$		203.1	$		199.7	$		3.4	$		0.91000
December 31, 2017	February 15, 2018			202.4			199.1			3.3			0.91000

(1) Represents accrued dividends on restricted stock and restricted stock units that are payable upon vesting.