Income Taxes (Deferred Tax Assets and Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]    
Net operating losses and capital loss carryforwards $ 4,354,474 $ 3,922,944
Allowance for doubtful accounts 41,724 34,587
Accrued expenses 193,251 151,131
Accrual for contingent liabilities 21,944 22,117
Property, plant and equipment 153,036 36,784
Capital lease obligations 175,498 300,141
Deferred revenue 37,730 35,179
Equity compensation 69,172 71,171
Inventory reserve 25,642 22,548
Deferred Tax Assets Debt Discount 16,511 0
Other 52,016 41,116
Total deferred tax asset before allowances 5,140,998 4,637,718
Valuation allowance (4,868,504) (4,335,913)
Total deferred tax asset 272,494 301,805
Intangible assets 42,036 48,162
Deferred Tax Liabilities, Undistributed Foreign Earnings 54,386 54,386
Deferred revenue 39,492 44,126
Property, plant and equipment 33,915 96,613
Deferred Tax Liabilities Capital Lease Obligations 107,491 0
Other 2,773 15,123
Total deferred tax liability 280,093 258,410
Net deferred tax asset $ (7,599) $ 43,395