Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective income tax rate, continuing operations			(4.30%)	27.80%
Gross unrecognized tax benefits, net of interest and penalties	$ 800,000		$ 800,000		$ 1,300,000
Tax benefit recognized due to expiration of statute of limitations	100,000	0	600,000	500,000
Income tax expense (benefit), intraperiod tax allocation	(1,000,000)	0	(1,600,000)	0
Total income tax payments, net of refunds	2,425,000	7,270,000	5,153,000	9,539,000
Less: credits or offsets	948,000	1,339,000	1,860,000	1,724,000
Cash paid, net	$ 1,477,000	$ 5,931,000	$ 3,293,000	$ 7,815,000