Dispositions (Components of income (loss) from discontinued operations, net of tax) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (9,857)	$ (3,895)	$ (19,497)	$ (9,849)
Segment, Discontinued Operations [Member]
Income Statement Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items]
Revenues	15,167	38,524	18,107	77,526
Income tax expense (benefit)	(343)	(3,311)	(1,716)	(6,068)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (9,857)	$ (3,895)	$ (19,497)	$ (9,849)