Stock-based Compensation (Share-Based Award Activity) (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Shares Available For Grant [Roll Forward]
Shares Available for Grant, beginning of period (shares)	3,767
Shares Available for Grant, authorized (shares)	1,507
Shares Available for Grant, end of period (shares)	4,908
Stock Options [Member]
Shares Available For Grant [Roll Forward]
Shares Available for Grant, granted (shares)	(922)
Shares Available for Grant, Forfeited/Cancelled (shares)	2,603
Restricted stock units [Member]
Shares Available For Grant [Roll Forward]
Shares Available for Grant, granted (shares)	(2,101)
Shares Paid for Tax Withholding for Share Based Compensation	(132)
Shares Available for Grant, Forfeited/Cancelled (shares)	165
Restricted Stock Award [Member]
Shares Available For Grant [Roll Forward]
Shares Available for Grant, granted (shares)	(216)
Performance Stock Units [Member]
Shares Available For Grant [Roll Forward]
Shares Available for Grant, granted (shares)	(523)
Shares Available for Grant, Forfeited/Cancelled (shares)	496