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Income Taxes (Narrative) (Details) € in Thousands, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 28, 2012 EUR (€) | Dec. 31, 2013 EUR (€) | Jan. 31, 2012 EUR (€) | Jun. 28, 2014 EUR (€) | Sep. 29, 2012 EUR (€) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Percentage of earnings from continuing operations before income taxes attributable to the United States |  |  |  |  |  | 43.00% |  |
Reversal of uncertain tax positions |  |  |  |  |  | $ 13,471 | $ 4,925 |
Valuation allowance against deferred tax asset |  |  |  |  |  | 287,580 | 300,472 |
Change in the valuation allowance |  |  |  |  |  | (12,892) | (75,387) |
Net operating loss carryforwards and tax credit |  |  |  |  |  | 458,743 | 432,906 |
Net operating loss carryforwards in various foreign jurisdictions |  |  |  |  |  | 401,999 |  |
Federal income taxes on earnings |  |  |  |  |  | 1,680,000 |  |
Gross unrecognized tax benefits |  |  |  |  |  | 51,037 | 49,599 | $ 56,545
Unrecognized tax benefits that would impact effective tax rate |  |  |  |  |  | 32,662 |  |
Interest and penalties |  |  |  |  |  | 5,394 | 9,409 |
Accrued/(reversed) interest and penalties |  |  |  |  |  | (5,635) | $ (3,579) | $ 74
Expected decrease in unrecognized tax benefits within next twelve months |  |  |  |  |  | $ 10,273 |  |
UNITED STATES |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Effective income tax rate |  |  |  |  |  | 39.80% | 42.80% | 32.60%
Non-US [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Effective income tax rate |  |  |  |  |  | 0.70% | (3.10%) | (10.00%)
State [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards and tax credit |  |  |  |  |  | $ 56,745 |  |
Foreign Tax Authority [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Interest income related to interest tax examination refund | € |  |  |  |  | € 1,583 |  |  |
Foreign Tax Authority [Member] | Tax Year 2008 [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Foreign tax assessment | € |  |  | € 23,789 | € 30,131 |  |  |  |
Foreign Tax Authority [Member] | Tax Year 2005 [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Foreign tax assessment | € | € 46,135 |  |  |  |  |  |  |
Foreign Tax Authority [Member] | Tax Year 2009 [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Foreign tax assessment | € | € 35,567 |  |  |  |  |  |  |
Foreign Tax Authority [Member] | Tax Year 2006 [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Foreign tax assessment | € |  | € 38,817 |  |  |  |  |  |
Foreign Tax Authority [Member] | Tax Year 2007 [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Foreign tax assessment | € |  | 39,635 |  |  |  |  |  |
Foreign Tax Authority [Member] | Tax Year 2010 [Member] | Belgium [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Foreign tax assessment | € |  | € 43,117 |  |  |  |  |  |
Foreign Subsidiary and State Net Operating Losses and Tax Credits [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Change in the valuation allowance |  |  |  |  |  | (24,718) | $ (39,243) |
Disposal Of A Subsidiary [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Change in the valuation allowance |  |  |  |  |  |  | $ (61,148) |
State Deferred Tax Assets [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Valuation allowance against deferred tax asset |  |  |  |  |  | 35,490 |  |
Operating Loss Carryforward, Foreign Jurisdiction [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Valuation allowance against deferred tax asset |  |  |  |  |  | 218,577 |  |
IVC Group [Member] |  |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |  |
Reversal of uncertain tax positions |  |  |  |  |  | $ 11,180 |  |

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