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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Components of Income (Loss) Before Taxes from Continuing Operations | The components of income (loss) before taxes from continuing operations consisted of the following for the years ended December 31 (in thousands):
| 2015 |  | 2014 |  | 2013
Domestic | $ | 40,176 |  |  | $ | (87,179 | ) |  | $ | 19,787 |
Foreign | (3,076 | ) |  | 2,429 |  |  | (20,619 | )
Income (loss) before taxes from continuing operations | $ | 37,100 |  |  | $ | (84,750 | ) |  | $ | (832 | )
Summary of Provision for Income Taxes for Continuing Operations | The provision for (benefit of) income taxes from continuing operations for the years ended December 31 consisted of the following (in thousands):
| 2015 |  | 2014 |  | 2013
Current: |  |  |  |  |
U.S. Federal | $ | 12,294 |  |  | $ | 1,684 |  |  | $ | 3,635 |
State | 2,010 |  |  | 1,265 |  |  | 1,507 |
Foreign | 1,371 |  |  | 733 |  |  | 892 |
Total current | 15,675 |  |  | 3,682 |  |  | 6,034 |
Deferred: |  |  |  |  |
U.S. Federal | (178 | ) |  | (6,373 | ) |  | 2,655 |
State | 273 |  |  | (203 | ) |  | (2,847 | )
Foreign | (2,146 | ) |  | (64 | ) |  | (1,045 | )
Total deferred | (2,051 | ) |  | (6,640 | ) |  | (1,237 | )
Provision for income taxes | $ | 13,624 |  |  | $ | (2,958 | ) |  | $ | 4,797 |
(Benefit of) Provision for Income Taxes from Discontinued Operations | The (benefit of) provision for income taxes from discontinued operations for the years ended December 31 consisted of the following (in thousands):
| 2015 |  | 2014 |  | 2013
Current: |  |  |  |  |
U.S. Federal | $ | (15 | ) |  | $ | (18 | ) |  | $ | (3 | )
State | (1 | ) |  | (1 | ) |  | — |
Foreign | — |  |  | — |  |  | — |
(Benefit of) provision for income taxes | $ | (16 | ) |  | $ | (19 | ) |  | $ | (3 | )
Provision for Income Taxes from Continuing Operations Differs from the Federal Statutory Rate | The provision for income taxes from continuing operations differs from the federal statutory rate of 35% for the years December 31 due to the following (in thousands):
| 2015 |  | 2014 |  | 2013
Statutory rate | $ | 12,985 |  |  | 35.0 | % |  | $ | (29,664 | ) |  | 35.0 | % |  | $ | (291 | ) |  | 35.0 | %
Intangible asset impairment | — |  |  | — | % |  | 26,637 |  |  | (31.4 | )% |  | 7,241 |  |  | (870.3 | )%
State taxes, less federal effect | 1,845 |  |  | 5.0 | % |  | 606 |  |  | (0.7 | )% |  | 1,382 |  |  | (166.1 | )%
Change in valuation allowance | 284 |  |  | 0.7 | % |  | 94 |  |  | (0.1 | )% |  | (2,268 | ) |  | 272.6 | %
Federal tax credits | (242 | ) |  | (0.7 | )% |  | (255 | ) |  | 0.3 | % |  | (517 | ) |  | 62.1 | %
Uncertain tax positions | (344 | ) |  | (0.9 | )% |  | (169 | ) |  | 0.2 | % |  | (515 | ) |  | 61.9 | %
Foreign rate differential | (6 | ) |  | — | % |  | (311 | ) |  | 0.4 | % |  | (163 | ) |  | 19.6 | %
Non-deductible expenses | (793 | ) |  | (2.1 | )% |  | 173 |  |  | (0.2 | )% |  | (66 | ) |  | 7.9 | %
Other | (105 | ) |  | (0.3 | )% |  | (69 | ) |  | — | % |  | (6 | ) |  | 0.7 | %
| $ | 13,624 |  |  | 36.7 | % |  | $ | (2,958 | ) |  | 3.5 | % |  | $ | 4,797 |  |  | (576.6 | )%
Deferred Tax Liabilities (Assets) | Deferred tax liabilities (assets) at December 31 consist of the following (in thousands):
| 2015 |  | 2014
Depreciation | $ | 18,667 |  |  | $ | 18,896 |
Goodwill | 36,058 |  |  | 29,175 |
Intangible assets | 19,291 |  |  | 18,637 |
Other | 1,742 |  |  | 1,464 |
Gross deferred tax liabilities | 75,758 |  |  | 68,172 |
Equity compensation | (13,023 | ) |  | (11,826 | )
Other | (20,847 | ) |  | (16,988 | )
Gross deferred tax assets | (33,870 | ) |  | (28,814 | )
Valuation allowances | 766 |  |  | 400 |
Deferred tax assets, net of valuation allowances | (33,104 | ) |  | (28,414 | )
Net deferred tax liabilities | $ | 42,654 |  |  | $ | 39,758 |
Summary of Valuation Allowance | The following sets forth a reconciliation of the beginning and ending amount of the Company’s valuation allowance (in thousands):
| 2015 |  | 2014 |  | 2013
Balance as of January 1 | $ | 400 |  |  | $ | 306 |  |  | $ | 2,574 |
Cost charged to the tax provision | 286 |  |  | 144 |  |  | — |
Purchase accounting adjustment | 158 |  |  | — |  |  | — |
Reductions | (78 | ) |  | (50 | ) |  | (2,268 | )
Balance as of December 31 | $ | 766 |  |  | $ | 400 |  |  | $ | 306 |
Income Taxes Paid, Net of Tax Refunds | The Company made net payments for income taxes, for the following amounts for the years ended December 31 (in thousands):
| 2015 |  | 2014 |  | 2013
Payments made for income taxes, net | $ | (11,879 | ) |  | $ | (6,509 | ) |  | $ | (7,564 | )
Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):
| 2015 |  | 2014 |  | 2013
Balance as of January 1 | $ | 1,414 |  |  | $ | 1,694 |  |  | $ | 2,485 |
Additions for tax positions of the current year | 148 |  |  | 180 |  |  | 83 |
Additions for tax positions of prior years | 2,955 |  |  | 93 |  |  | — |
Reductions for tax positions of prior years for: |  |  |  |  |
Settlements and changes in judgment | (331 | ) |  | (154 | ) |  | (26 | )
Lapses of applicable statute of limitations | (310 | ) |  | (399 | ) |  | (848 | )
Balance as of December 31 | $ | 3,876 |  |  | $ | 1,414 |  |  | $ | 1,694 |
Interest (Net of Federal Tax Benefit) and Penalties Recognized | Interest (net of federal tax benefit) and penalties recognized during the years ended December 31 were (in thousands):
| 2015 |  | 2014 |  | 2013
Interest and penalties recognized as income | $ | (87 | ) |  | $ | (28 | ) |  | $ | (92 | )

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