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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Income (Loss) Before Provision (Benefit) for Income Taxes | Income (loss) before provision (benefit) for income taxes for the years ended December 31, 2015, 2014 and 2013 was as follows:
|  | Year ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Income (loss) before provision (benefit) for income taxes: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | (42,450 | ) |  | $ | (9,341 | ) |  | $ | 8,259 |
Foreign |  |  | 19,500 |  |  |  | 22,513 |  |  |  | 16,919 |
Total |  | $ | (22,950 | ) |  | $ | 13,172 |  |  | $ | 25,178 |
Income Tax Expense (Benefit) | Total income tax expense (benefit) for the years ended December 31, 2015, 2014, and 2013 was as follows:
|  | Year ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal |  | $ | — |  |  | $ | — |  |  | $ | — |
State |  |  | 420 |  |  |  | 37 |  |  |  | 179 |
Foreign |  |  | 5,940 |  |  |  | 7,082 |  |  |  | 4,490 |
Total current expense |  | $ | 6,360 |  |  | $ | 7,119 |  |  | $ | 4,669 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal |  | $ | (13,391 | ) |  | $ | 1,625 |  |  | $ | 3,594 |
State |  |  | (1,869 | ) |  |  | (382 | ) |  |  | 145 |
U.S. deferred tax valuation allowance |  |  | — |  |  |  | (1,434 | ) |  |  | (818 | )
Foreign |  |  | (1,618 | ) |  |  | (1,142 | ) |  |  | 410 |
Total deferred expense (benefit) |  |  | (16,878 | ) |  |  | (1,333 | ) |  |  | 3,331 |
Total expense (benefit) |  | $ | (10,518 | ) |  | $ | 5,786 |  |  | $ | 8,000 |
Reconciliation of Income Taxes Based on U.S. Federal Statutory Rate | A reconciliation of income taxes based on the U.S. federal statutory rate of 34% for each of the years ended December 31, 2015, 2014 and 2013 is summarized as follows:
|  | Year ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Income taxes at the federal statutory rate |  | $ | (7,803 | ) |  | $ | 4,478 |  |  | $ | 8,561 |
Impact of incentive stock options |  |  | — |  |  |  | (145 | ) |  |  | 261 |
Decrease in U.S. valuation allowance |  |  | — |  |  |  | (1,434 | ) |  |  | (818 | )
Foreign tax credit (additions) expiration |  |  | (1,343 | ) |  |  | 2,736 |  |  |  | 818 |
Capital gain on return of basis |  |  | — |  |  |  | — |  |  |  | — |
State taxes, net of federal taxes |  |  | (1,592 | ) |  |  | (362 | ) |  |  | 198 |
Non-U.S. earnings taxed at different rates |  |  | (2,308 | ) |  |  | (1,714 | ) |  |  | (834 | )
Non-deductible mergers and acquisition costs |  |  | 1,299 |  |  |  | 1,971 |  |  |  | — |
R&D Tax credit |  |  | (623 | ) |  |  | (529 | ) |  |  | — |
Joint Venture dividend |  |  | 1,147 |  |  |  | 737 |  |  |  | — |
Change in uncertain tax positions |  |  | — |  |  |  | — |  |  |  | 32 |
Other permanent differences, net |  |  | 705 |  |  |  | 48 |  |  |  | (218 | )
|  | $ | (10,518 | ) |  | $ | 5,786 |  |  | $ | 8,000 |
Tax Effects of Temporary Differences | The tax effects of the temporary differences as of December 31, 2015, 2014 and 2014 are as follows:
|  | December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Deferred income tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Tax in excess of book depreciation |  | $ | 42,345 |  |  | $ | 35,411 |  |  | $ | 6,673 |
Goodwill |  |  | 1,554 |  |  |  | 1,949 |  |  |  | 2,213 |
Intangible assets |  |  | 91,947 |  |  |  | 15,944 |  |  |  | — |
Other deferred tax liabilities |  |  | 897 |  |  |  | 1,924 |  |  |  | 63 |
Gross deferred income tax liabilities |  |  | 136,743 |  |  |  | 55,228 |  |  |  | 8,949 |
Deferred income tax assets: |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 1,666 |  |  |  | 2,411 |  |  |  | 3,215 |
Inventories |  |  | 4,490 |  |  |  | 2,035 |  |  |  | 836 |
Pension/Personnel accruals |  |  | 2,778 |  |  |  | 3,029 |  |  |  | 856 |
Net operating loss carry forwards |  |  | 8,313 |  |  |  | 1,196 |  |  |  | 1,351 |
Foreign tax credits |  |  | 3,242 |  |  |  | 290 |  |  |  | 3,026 |
Guarantee claim deduction |  |  | 1,141 |  |  |  | 1,141 |  |  |  | 1,141 |
Credit carry forwards |  |  | 2,582 |  |  |  | 1,853 |  |  |  | — |
Accruals and reserves |  |  | — |  |  |  | — |  |  |  | 114 |
Other deferred tax assets |  |  | 2,510 |  |  |  | 1,926 |  |  |  | 832 |
Gross deferred income tax assets |  |  | 26,722 |  |  |  | 13,881 |  |  |  | 11,371 |
Valuation allowance on deferred tax assets |  |  | — |  |  |  | — |  |  |  | (1,434 | )
Net deferred income tax assets |  |  | 26,722 |  |  |  | 13,881 |  |  |  | 9,937 |
Net deferred income tax assets (liabilities) |  | $ | (110,021 | ) |  | $ | (41,347 | ) |  | $ | 988 |
Summary of Activity in Total Valuation Allowances | Below is a summary of the activity in the total valuation allowances during the years ended December 31, 2015, 2014 and 2013:
|  | Balance at Beginning of Year |  |  | Additions |  |  | Recoveries |  |  | Balance at End of Year |
2015 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
2014 |  | $ | 1,434 |  |  | $ | — |  |  | $ | (1,434 | ) |  | $ | — |
2013 |  | $ | 2,252 |  |  | $ | — |  |  | $ | (818 | ) |  | $ | 1,434 |
Summary of Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits, Excluding Interest and Penalties | A reconciliation of the beginning and ending amounts of unrecognized tax benefits, excluding interest and penalties for the years ended December 31, 2015, 2014 and 2013 is as follows:
|  | 2015 |  |  | 2014 |  |  | 2013 |
Beginning balance |  | $ | 3,834 |  |  | $ | 873 |  |  | $ | 873 |
Additions for tax positions of prior years |  |  | 2,516 |  |  |  | 3,589 |  |  |  | — |
Reductions for tax positions of prior years |  |  | (626 | ) |  |  | (628 | ) |  |  | — |
Ending balance |  | $ | 5,724 |  |  | $ | 3,834 |  |  | $ | 873 |

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