Amendment to DISH Network, L.L.C. (DISH) Agreement (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended				9 Months Ended
	Aug. 31, 2012	Sep. 30, 2012 Installments	Aug. 08, 2012	Mar. 31, 2012	Dec. 31, 2012 Selling, General and Administrative Expenses [Member]
Amendment to Agreement [Line Items]
Strike price of canceled SAR (per SAR)		$ 15.48
Number of annual installments of cancelled SAR		3
SARs granted per installment of cancelled SAR		200,000
Cash payment for cancelled SAR and past services			$ 5.8
Shares issued for cancelled SAR and past services	700,000
Value of shares issued for cancelled SAR and past services			13.2
Fair value accrued for canceled DISH award				3.2
Additional expense recognized due to amendment					$ 15.8