Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Information about Restricted Stock Awards

The following table summarizes information about restricted stock grants (in millions, except for share data):

Grant	Shares	Vesting Schedule	Unearned Compensation		Remaining Period (in months)
October 2014	506,171	3 equal annual installments commencing on October 20, 2015	$	0.6	10
April 2015	27,174	3 equal annual installments commencing on October 20, 2015	0.1		10
October 2015	595,509	3 equal annual installments commencing on October 20, 2016	1.0		22
January 2016	23,852	3 equal annual installments commencing on October 20, 2016	—		22
March 2016	38,758	3 equal annual installments commencing on October 20, 2016	—		22
October 2016	410,751	3 equal annual installments commencing on October 20, 2017	2.1		34
October 2016	97,951	fully vests as of October 20, 2017	0.4		10

Summary of Status of Restricted Stock Awards

A summary of the status of our restricted stock awards as of December 31, 2016 and changes during the twelve-month period ending December 31, 2016, 2015 and 2014 is presented below:

	2016				2015				2014
	Shares (000’s)		Weighted- Average Grant-Date Fair Value		Shares (000’s)		Weighted- Average Grant-Date Fair Value		Shares (000’s)		Weighted- Average Grant-Date Fair Value
Nonvested - beginning of year	1,128		$	4.24	915		$	6.96	855		$	7.59
Granted	571		5.05		818		3.24		577		6.91
Vested	(558	)	4.68		(400	)	7.06		(379	)	8.06
Forfeited	(160	)	4.35		(205	)	6.93		(138	)	7.59
Nonvested - end of year	981		$	4.70	1,128		$	4.24	915		$	6.96