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Income Taxes, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Deferred Tax Assets [Abstract] |  |
Inventory differences | $ 2,521 | $ 5,222
Foreign tax credit and other foreign benefits | 145,169 | 86,729
Stock-based compensation | 11,470 | 13,842
Accrued expenses not deductible until paid | 32,796 | 46,597
Foreign currency exchange | 4,826 | 8,976
Net operating losses | 9,584 | 10,994
Capitalized research and development | 358 | 1,632
Exchange gains and losses | 0 | 55,643
Other | 1,063 | 964
Gross deferred tax assets | 207,787 | 230,599
Deferred Tax Liabilities [Abstract] |  |
Foreign currency exchange | 105 | 0
Intangibles step-up | 12,107 | 13,607
Overhead allocation to inventory | 4,820 | 5,101
Amortization of intangibles | 19,091 | 18,733
Foreign outside basis in controlled foreign corporation | 106,846 | 84,434
Other | 20,572 | 35,257
Gross deferred tax liabilities | 163,541 | 157,132
Valuation allowance | (9,137) | (49,271)
Deferred taxes, net | 35,109 | $ 24,196
Foreign [Member] |  |
Operating Loss Carryforwards [Abstract] |  |
Operating loss carryforwards | 31,300 |
Operating loss carryforwards scheduled to expire | 9,800 |
Operating loss carryforwards that will not expire | 21,500 |
Valuation allowance on operating loss carryforwards | 29,800 |
Tax Credit Carryforwards [Abstract] |  |
Tax credit carryforward | $ 55,700 |
Foreign [Member] | Minimum [Member] |  |
Operating Loss Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2017 |
Tax Credit Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2025 |
Foreign [Member] | Maximum [Member] |  |
Operating Loss Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2026 |
Tax Credit Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2026 |

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