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Income Taxes (Tables) | 12 Months Ended
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Dec. 29, 2017
Income Tax Disclosure [Abstract] |
Schedule of Consolidated Net Income (Loss) | The Provision for income taxes was based on the following income (loss) before income taxes (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Domestic | $ | 158,577 |  |  | $ | (70,222 | ) |  | $ | (150,846 | )
Foreign | — |  |  | — |  |  | (10,843 | )
Income (loss) before income taxes | $ | 158,577 |  |  | $ | (70,222 | ) |  | $ | (161,689 | )
Schedule of Components of Income Tax Expense (Benefit) | The Provision for income taxes was as follows (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Current: |  |  |  |  |
Federal | $ | — |  |  | $ | — |  |  | $ | — |
State | 4,350 |  |  | — |  |  | 55 |
Total current tax expense | 4,350 |  |  | — |  |  | 55 |
Deferred: |  |  |  |  |
Federal | — |  |  | — |  |  | — |
State | — |  |  | — |  |  | — |
Total deferred tax expense | — |  |  | — |  |  | — |
Provision for income taxes | $ | 4,350 |  |  | $ | — |  |  | $ | 55 |
Schedule of Reconciliation of Income Taxes At The Statutory Federal Income Tax Rate to Net Income Taxes | The reconciliation of income taxes at the statutory federal income tax rate to our Provision for income taxes included on the accompanying Consolidated Statements of Operations was as follows (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
U.S. federal income tax provision (benefit) at statutory rate | $ | 53,916 |  |  | $ | (23,876 | ) |  | $ | (54,974 | )
Change in valuation allowance | (34,266 | ) |  | 6,377 |  |  | 51,421 |
State tax expense | 8,282 |  |  | 6,520 |  |  | 55 |
Debt extinguishment | — |  |  | 4,726 |  |  | — |
Non-deductible interest | 1,367 |  |  | 2,680 |  |  | 3,308 |
Stock-based compensation | (20,548 | ) |  | 3,155 |  |  | 195 |
Other | (4,401 | ) |  | 418 |  |  | 50 |
Provision for income taxes | $ | 4,350 |  |  | $ | — |  |  | $ | 55 |
Schedule of Deferred Assets and Liabilities | Our deferred tax assets and liabilities were as follows (in thousands):
| December 31,
| 2017 |  | 2016
Deferred tax assets: |  |  |
Net operating loss carry-forwards | $ | 244,205 |  |  | $ | 471,327 |
Book over tax depreciation and amortization | 39,472 |  |  | 70,617 |
Tax credit and charitable contribution carry-forwards | 66,770 |  |  | 64,367 |
Deferred revenue | 53,543 |  |  | — |
Amortization of deferred stock compensation – non-qualified | 8,966 |  |  | 14,780 |
Accruals and reserves not currently deductible | 4,914 |  |  | 8,117 |
Other assets | 1,088 |  |  | 106 |
Total deferred tax assets | 418,958 |  |  | 629,314 |
Valuation allowance | (418,958 | ) |  | (629,062 | )
Net deferred tax assets | — |  |  | 252 |
Deferred tax liabilities: |  |  |
Unrealized gains on derivatives and other liabilities | — |  |  | (252 | )
Total deferred tax liabilities | — |  |  | (252 | )
Net deferred taxes | $ | — |  |  | $ | — |
Schedule of Unrecognized Tax Benefits | The following table summarizes the activity related to our unrecognized tax benefits (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Beginning balance | $ | 61,809 |  |  | $ | 88,638 |  |  | $ | 58,215 |
Change relating to prior year provision | 247 |  |  | (29,110 | ) |  | 21,696 |
Change relating to current year provision | 17,378 |  |  | 2,304 |  |  | 8,727 |
Reductions based on the lapse of the applicable statutes of limitations | (92 | ) |  | (23 | ) |  | — |
Ending balance | $ | 79,342 |  |  | $ | 61,809 |  |  | $ | 88,638 |

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