Income Taxes - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2017 |
Jun. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
|
| Valuation Allowance [Line Items] | ||||||
| Income tax provision (benefit) | $ (6,276) | $ 1,084 | $ (33,770) | $ 2,155 | ||
| Unrecognized Tax Benefits, Period Increase (Decrease) | 37,200 | |||||
| Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions | 35,100 | |||||
| Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 1,200 | 1,200 | ||||
| Unrecognized Tax Benefits, Income Tax Penalties Accrued | 300 | 300 | ||||
| Exar Corporation [Member] | ||||||
| Valuation Allowance [Line Items] | ||||||
| Unrecognized Tax Benefits, Increase Resulting from Acquisition | 35,800 | |||||
| Domestic Tax Authority [Member] | ||||||
| Valuation Allowance [Line Items] | ||||||
| Valuation Allowances and Reserves, Balance | $ 11,500 | $ 11,500 | $ 61,600 | |||
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 50,100 | |||||
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of interest expense accrued for an underpayment of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|