Discontinued Operations Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended		3 Months Ended								12 Months Ended
	Dec. 02, 2013	Feb. 12, 2013	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Discontinued Operations and Disposal Groups [Abstract]
Proceeds from Divestiture of Businesses	$ 28,700	$ 33,700									$ 59,899
Gain on sale of discontinued operations, net of income taxes	16,400	14,400									30,840	0	0
Disposal Group, Including Discontinued Operation, Revenue											44,569	101,719	81,697
Disposal Group, Including Discontinued Operation, Operating Income (Loss)											(967)	10,356	5,766
Discontinued Operation, Tax Effect of Discontinued Operation	10,400	9,100									(284)	4,162	2,333
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent			$ 14,985	$ 679	$ 96	$ 14,397	$ 2,201	$ 1,425	$ 1,976	$ 592	$ (683)	$ 6,194	$ 3,433