Accounting Policies (Details 2) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 49,007,000	$ 59,312,000	$ 149,335,000	$ 178,917,000
Net gain on change in control of interests	0	0	(487,684,000)	(2,759,000)
Discontinued operations	0	0	0	1,844,000
Equity (loss) from unconsolidated entities, gross of tax	29,132,000	(10,157,000)	20,094,000	(30,468,000)
Income tax benefit	(179,646,000)	(365,000)	3,399,000	(43,381,000)
Noncontrolling Interest	$ (891,000)	$ (4,804,000)	(4,366,000)	(10,778,000)
Loss reclassified from accumulated OCI			(18,382,000)	(21,461,000)
Reclassification out of accumulated OCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense			28,087,000	28,413,000
Net gain on change in control of interests			(900,000)
Discontinued operations				3,666,000
Equity (loss) from unconsolidated entities, gross of tax			2,852,000	3,005,000
Total before income tax and noncontrolling interest			30,039,000	35,084,000
Income tax benefit			(11,645,000)	(13,597,000)
Noncontrolling Interest			(12,000)	(26,000)
Loss reclassified from accumulated OCI			$ 18,382,000	$ 21,461,000