Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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This element represents the unbenefited operating losses for the period.

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Income Taxes Income Taxes - Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Income Tax Expense:
Loss from continuing operations before provision for (benefit from) income taxes	$ (76,048)	$ (92,486)	$ (190,861)	$ (198,405)	$ (178,594)	$ (166,577)	$ (158,396)	$ (231,308)	$ (557,800)	$ (734,875)	$ (626,044)
Expected tax provision (benefit)									(195,230)	(257,206)	(219,115)
State taxes, net of federal benefit									3,800	1,124	3,844
Foreign rate differential									47,402	39,335	79,799
Tax credits									(55,696)	(33,788)	(16,775)
Unbenefitted operating losses (gains)									226,169	241,037	(29,900)
Non-deductible expenses									5,817	18,756	9,614
Rate change									(1,224)	(1,826)	50,076
Other									(657)	(474)	35
Provision for (benefit from) income taxes	$ (1,379)	$ 1,330	$ 30,131	$ 299	$ 2,043	$ 3,419	$ 693	$ 803	$ 30,381	$ 6,958	$ (122,422)