Income loss from operations before provision benefit for income taxes..

No definition available.

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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 application of Subpart F provisions to intercompany royalty payments.

+ References

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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 one-time mandatory repatriation toll charge.

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No definition available.

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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 valuation allowance for deferred tax assets.

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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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- Definition

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 revisions of previously reported 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 increase (decrease) in domestic income tax contingency.

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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 income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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Taxes Computed at Statutory Federal Income Tax Rate Reconciled to Provision for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
United States federal tax at statutory rate									$ (73,171)	$ (4,714)	$ 200
Non-deductible acquisition and reorganization expenses									169	1,400	(2)
Research credits									(4,476)	(3,360)	(3,000)
Change in unrecognized tax benefits									686	(545)	(208)
State income taxes, net of federal benefit									(9,244)	(371)	182
Compensation									2,950	651	765
Meals and entertainment									1,358	1,341	1,023
Impact of foreign operations									730	2,847	1,848
Provision-to-Return adjustments									(1,413)	(1,116)	(136)
Settlements with taxing authorities									0	0	(4,218)
Deemed Dividends									1,289	887	1,408
Dividends Accrued									0	2,198	1,190
Federal, state and local rate changes									185	344	1,104
US Tax reform impact									(26,016)	0	0
One time Mandatory Repatriation Toll Charge									5,155	0	0
Non-deductible items									64	70	(5)
Valuation allowance									47,959	(17,504)	1,816
Other									3,008	58	135
Income tax (benefit) provision	$ (49,694)	$ (238)	$ (1,007)	$ 172	$ (15,218)	$ (2,656)	$ (503)	$ 563	(50,767)	(17,814)	2,626
Bilateral Advance Pricing Agreement [Member]
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
Bilateral Advance Pricing Agreement impact									$ 0	$ 0	$ 524