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Recent Accounting Pronouncements Adopted ASUs (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Jan. 01, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Unbilled Contracts Receivable | $ 771,002 |  |  |
Increase (Decrease) in Unbilled Receivables | (47,778) | $ 0 |  |
Royalties | 21,374 | 68,956 |  |
Sales Revenue, Goods, Net | 7,313 | 10,904 |  |
Contract and other revenue | 17,739 | 17,491 |  |
Revenue, Net | 46,426 | 97,351 |  |
Other Nonoperating Income | (9,116) | (154) |  |
Income Tax Expense (Benefit) | (3,229) | 7,376 |  |
Net Income (Loss) Attributable to Parent | (35,689) | 3,006 |  |
Deferred tax assets | 81,999 |  |  | $ 159,099
Contract with Customer, Liability | 16,985 |  | $ 20,737 |
Accrued Income Taxes, Current | 108,240 |  | 105,000 |
Increase (Decrease) in Income Taxes Payable | (562) | $ 241 |  |
Deferred Tax Assets, Gross | 140,500 |  | 105,000 |
Deferred Tax Assets, Valuation Allowance | 66,600 |  | 16,000 |
Deferred Tax Liabilities, Net | 8,143 |  | 174,000 |
Accumulated deficit | (74,255) |  | 626,000 | $ (636,227)
Retained Earnings [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  | 1,100 |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Unbilled Contracts Receivable | 0 |  |  |
Royalties | 77,174 |  |  |
Sales Revenue, Goods, Net | 7,556 |  |  |
Contract and other revenue | 15,729 |  |  |
Revenue, Net | 100,459 |  |  |
Other Nonoperating Income | (1,602) |  |  |
Income Tax Expense (Benefit) | 1,474 |  |  |
Net Income (Loss) Attributable to Parent | 6,127 |  |  |
Deferred tax assets | 172,161 |  |  |
Contract with Customer, Liability | 13,895 |  |  |
Accrued Income Taxes, Current | 4,720 |  |  |
Deferred Tax Liabilities, Net | 8,143 |  |  |
Accumulated deficit | 626,288 |  |  |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Unbilled Contracts Receivable |  |  | $ 818,000 |
Increase (Decrease) in Deferred Income Taxes | 90,162 |  |  |
Increase (Decrease) in Unbilled Receivables | (771,002) |  |  |
Royalties | 55,800 |  |  |
Sales Revenue, Goods, Net | 243 |  |  |
Change in contract revenue from adoption of ASC 606 | (2,010) |  |  |
Revenue, Net | 54,033 |  |  |
Other Nonoperating Income | (7,514) |  |  |
Income Tax Expense (Benefit) | 4,703 |  |  |
Net Income (Loss) Attributable to Parent | 41,816 |  |  |
Increase (Decrease) in Deferred Revenue and Customer Advances and Deposits | (3,090) |  |  |
Increase (Decrease) in Income Taxes Payable | (103,520) |  |  |
Increase (Decrease) in Income Taxes | 0 |  |  |
Accumulated deficit | $ 552,033 |  |  |

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