Stock-Based Compensation (Stock Option Activity) (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Number of Options
Outstanding at beginning of period (in shares)	1,763	2,211	3,078
Granted as a result of the Spin-Off (in shares)	1,222
Exercised (in shares)	(2)	(23)	(206)
Forfeited/Expired (in shares)	(721)	(425)	(661)
Outstanding at end of period (in shares)	2,262	1,763	2,211
Options Exercisable at end of period (in shares)	2,262
Weighted Average Exercise Price Per Option
Outstanding at beginning of period (in usd per share)	$ 22.05	$ 22.69	$ 22.90
Granted as a result of the Spin-Off (in usd per share)	11.78
Exercised (in usd per share)	8.35	8.02	8.26
Forfeited/Expired (in usd per share)	27.24	21.98	28.18
Outstanding at end of period (in usd per share)	10.82	$ 22.05	$ 22.69
Options Exercisable at end of period (in usd per share)	$ 10.82