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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Taxes [Abstract] |
Components Of Income Before Income Taxes |
(in thousands) | 2015 |  |  | 2014 |  |  | 2013
Income before income taxes: |  |  |  |  |  |  |  |  |  |
Domestic | $ | (580,720) |  |  | $ | 5,751 |  |  | $ | 55,826
Foreign |  | (74,233) |  |  |  | 11,636 |  |  |  | 8,180
Total | $ | (654,953) |  |  | $ | 17,387 |  |  | $ | 64,006
Components Of Income Tax Provision |
(in thousands) | 2015 |  |  | 2014 |  |  | 2013
Current: |  |  |  |  |  |  |  |  |  |
U.S. federal | $ | 10,753 |  |  | $ | 23,336 |  |  | $ | 24,688
State |  | 169 |  |  |  | 72 |  |  |  | 1,926
Foreign |  | 925 |  |  |  | 6,588 |  |  |  | 3,165
Total |  | 11,847 |  |  |  | 29,996 |  |  |  | 29,779
Deferred: |  |  |  |  |  |  |  |  |  |
U.S. federal |  | (5,252) |  |  |  | (21,624) |  |  |  | (7,760)
State |  | (225) |  |  |  | (87) |  |  |  | (450)
Foreign |  | 2,602 |  |  |  | (2,844) |  |  |  | (1,682)
Total |  | (2,875) |  |  |  | (24,555) |  |  |  | (9,892)
Total income tax provision | $ | 8,972 |  |  | $ | 5,441 |  |  | $ | 19,887
Schedule Of Effective Tax Rate Reconciliation |
| % of Pretax Income
| 2015 |  | 2014 |  | 2013
Tax provision based on the federal statutory rate |  | 35.0 | % |  |  | 35.0 | % |  |  | 35.0 | %
Nondeductible expenses |  | (0.1) |  |  |  | 12.5 |  |  |  | — |
Uncertain tax positions |  | (0.5) |  |  |  | 11.2 |  |  |  | — |
Deemed income related to foreign operations |  | (0.6) |  |  |  | 8.1 |  |  |  | 0.2 |
Return to provision adjustments, foreign current and deferred balances |  | (0.7) |  |  |  | 2.5 |  |  |  | (0.4) |
Foreign income tax rate differential |  | (2.0) |  |  |  | 0.5 |  |  |  | (0.3) |
State taxes, net of federal benefit, before valuation allowance |  | 0.9 |  |  |  | 0.3 |  |  |  | 2.4 |
Increase in valuation allowances |  | (16.4) |  |  |  | — |  |  |  | — |
Impairment of goodwill with no tax basis |  | (16.8) |  |  |  | — |  |  |  | — |
Foreign tax credits related to above |  | 0.2 |  |  |  | (6.3) |  |  |  | — |
Domestic production activities deduction |  | — |  |  |  | (12.0) |  |  |  | (3.6) |
Research credits |  | — |  |  |  | (21.9) |  |  |  | (0.6) |
Other |  | (0.4) |  |  |  | 1.4 |  |  |  | (1.6) |
Effective tax rate |  | (1.4) | % |  |  | 31.3 | % |  |  | 31.1 | %
Components Of Net Deferred Income Tax Assets And Net Deferred Income Tax Liabilities |
(in thousands) | 2015 |  |  | 2014
Deferred income tax assets: |  |  |  |  |  |
Intangibles | $ | 46,293 |  |  | $ | —
Stock options and restricted stock awards |  | 22,010 |  |  |  | 15,156
Reserves and allowances |  | 18,738 |  |  |  | 12,016
Net operating loss carryforwards |  | 16,796 |  |  |  | 4,474
Tax credit carryforwards |  | 9,926 |  |  |  | 4,139
Accrued liabilities |  | 4,943 |  |  |  | 1,501
Deferred revenue |  | 405 |  |  |  | 270
Valuation allowance |  | (107,312) |  |  |  | —
Total deferred income tax assets |  | 11,799 |  |  |  | 37,556
Deferred income tax liabilities: |  |  |  |  |  |
Intangibles |  | 22,676 |  |  |  | 50,324
Property, plant and equipment |  | 3,851 |  |  |  | 2,122
Total deferred income tax liabilities |  | 26,527 |  |  |  | 52,446
Net deferred income tax liabilities | $ | (14,728) |  |  | $ | (14,890)
Schedule Of Unrecognized Tax Benefits |
| Unrecognized Tax Benefits
(in thousands) | 2015 |  |  | 2014 |  |  | 2013
Balance at January 1 | $ | (1,845) |  |  | $ | (16) |  |  | $ | (475)
Increases related to prior year tax positions |  | — |  |  |  | — |  |  |  | 380
Decreases related to prior year tax positions |  | 1,475 |  |  |  | — |  |  |  | —
Increases related to current year tax positions |  | (7,926) |  |  |  | (1,829) |  |  |  | —
Decreases related to current year tax positions |  | — |  |  |  | — |  |  |  | —
Decreases in unrecognized liability due to settlements with foreign tax authorities |  | — |  |  |  | — |  |  |  | 79
Balance at December 31 | $ | (8,296) |  |  | $ | (1,845) |  |  | $ | (16)

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of unrecognized tax benefits for which a material change is reasonably possible in the next twelve months, typically including the nature of the uncertainty, the event(s) that could cause a material change, and an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made. An unrecognized tax benefit is the difference between a tax position taken in a tax return and the amounts recognized in the financial statements for which it is more likely than not, based on the technical merits of the position, that the tax position will not be sustained upon examination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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