Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock Repurchased During Period, Shares			3,825,554
Accelerated Share Repurchases, Cash or Stock Settlement			50000
Accelerated Share Repurchases, Final Price Paid Per Share			$ 13.07
Earnings Per Share Reconciliation [Abstract]
Earnings from continuing operations	$ 11,528	$ 10,570	$ 19,699	$ 19,465
gain (loss) on stock warrants, net of tax	(3,664)	0	(3,405)	0
Net Income (Loss) Attributable to Parent, Diluted	$ 7,864	$ 10,570	$ 16,294	$ 19,465
Weighted-average shares outstanding for basic earnings per share (in shares)	63,267,000	64,541,000	63,452,000	64,498,000
Common equivalent shares:
Effect of stock-based compensation awards (in shares)	861,000	930,000	835,000	906,000
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	2,635,000	0	1,623,000	0
Weighted-average shares outstanding assuming dilution (in shares)	66,763,000	65,471,000	65,910,000	65,404,000
Basic earnings per share from continuing operations (in dollars per share)	$ 0.18	$ 0.16	$ 0.31	$ 0.30
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.12	$ 0.16	$ 0.25	$ 0.30
Anti-dilutive securities excluded from computation of earnings per share (in shares)			0	0