Share-Based Compensation - Narrative (Details) (USD $)	0 Months Ended	3 Months Ended		1 Months Ended				3 Months Ended
	Jan. 24, 2014	Mar. 31, 2014	Mar. 31, 2013	Feb. 28, 2014 Restricted Stock (RSU)	Feb. 28, 2013 Restricted Stock (RSU)	Mar. 31, 2014 Restricted Stock (RSU)	Dec. 31, 2013 Restricted Stock (RSU)	Mar. 31, 2014 Performance unit incentive plan (PUP)	Mar. 31, 2013 Performance unit incentive plan (PUP)	Mar. 31, 2014 Restricted Stock	Mar. 31, 2014 Restricted Stock Units and Performance Based Restricted Stock Units	Mar. 31, 2013 Restricted Stock Units and Performance Based Restricted Stock Units	Mar. 31, 2014 Employee Stock Option [Member]	Mar. 31, 2013 Employee Stock Option [Member]	Mar. 31, 2014 Restructuring Charges	Mar. 31, 2014 Performance unit incentive plan (PUP)	Dec. 31, 2013 Performance unit incentive plan (PUP)
Share Based Compensation (Textual) [Abstract]
Share-based compensation before income tax benefit		$ (391,000)	$ (1,819,000)					$ 231,000	$ (863,000)		$ 32,000	$ (88,000)	$ 0	$ (95,000)	$ 311,000
Common Stock, Dividends, Per Share, Declared	$ 1.50	$ 1.6	$ 0.10
Dividends, Common Stock	30,500,000
Unamortized cost											4,400,000		0
Recognition Period of Unrecognized cost										2 years
Repurchase of Common Stock for Employee Tax Withholding Obligations amount, shares		44,358	44,606
Repurchase of Common Stock for Employee Tax Withholding Obligations amount		1,000,000	1,200,000
Shares Available for Grant		906,468
Liability awards recorded																2,400,000	5,900,000
Payments To Employees				232,000	300,000			2,900,000	0
Liabilities related to restricted stock						$ 400,000	$ 664,000