Debt and Capital Lease Obligations (LGI Convertible Notes) (Narrative) (Details) (USD $)	12 Months Ended			6 Months Ended			6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2011 LGI Notes Exchange [Member]	Jun. 30, 2011 LGI Notes Exchange [Member]	Nov. 30, 2009 LGI Notes Exchange [Member]	Sep. 30, 2011 LGI Series A Common Stock [Member] LGI Notes Exchange [Member] Series A Common Stock [Member]	Sep. 30, 2011 LGI Series C Common Stock [Member] LGI Notes Exchange [Member] Series C Common Stock [Member]
Debt Instrument [Line Items]
Stated interest rate of debt						4.50%
Proceeds from issuance of debt	$ 9,670,300,000	$ 5,981,400,000	$ 5,622,100,000
Percent of debt converted				0.20%	99.80%
Shares issued upon conversion							26,423,266	8,807,772
Cash payment in notes exchange transaction				186,700,000
Adjustment to additional paid in capital, debt component				676,200,000
Adjustment to additional paid in capital, deferred financing				13,600,000
Adjustment to additional paid in capital, net deferred tax				96,700,000
Loss on extinguishment of debt				187,200,000
Principal amount of debt						$ 935,000,000