Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2014

Share-based Compensation [Abstract]

Schedule of Stock Based Compensation Expense

Stock-based compensation expense consists of the following:

(In millions)	For the Three Months Ended   June 30,				For the Six Months Ended   June 30,
	2014		2013		2014		2013
Restricted stock	$	0.7	$	1.0	$	1.6	$	1.6
Restricted stock units	2.7		2.2		6.2		3.1
Total	$	3.4	$	3.2	$	7.8	$	4.7

Summary of Restricted Stock Units Activity

A summary of the restricted stock unit activity is presented below:

	Number of Restricted Stock Units		Weighted Average Grant-Date Fair Value Per Share
Outstanding as of January 1, 2014	1,099,157		$	48.23
Granted	71,900		130.16
Converted	(300,875	)	26.53
Forfeited	(7,500	)	130.16
Outstanding as of June 30, 2014	862,682		61.91