Summary of Significant Accounting Policies (Other Expense (Income), Net) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2012	Sep. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other expense (income), net [Line Items]
Write-off of deposits and pre-acquisition costs			$ 3,122	$ 2,278	$ 10,002
Loss on debt retirements	32,100		26,930	32,071	5,638
Amortization of intangible assets			13,100	13,100	13,100
Goodwill impairments		240,500	0	0	240,541
Miscellaneous expense (income), net			34,823	11,543	13,921
Other expense, net			(80,753)	(66,298)	(293,102)
Homebuilding [Member]
Other expense (income), net [Line Items]
Lease exit and related costs			$ 2,778	$ 7,306	$ 9,900