Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

Class of Treasury Stock

A summary of shares repurchased under the 2015 Repurchase Program, during the three months ended March 31, 2017 and cumulatively, is as follows:

2015 Repurchase Program	Shares	Cost of shares
		(In millions)
Repurchased during the three months ended March 31, 2017	145,786	$	10.0
Cumulative repurchases as of March 31, 2017	1,000,657	$	82.9
Remaining dollar value of shares that may be repurchased	n/a	$	67.1