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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Taxes | The provision for income taxes consists of the following (in thousands):
|  | Year Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Current: |  |  |  |  |  |
Federal |  | $ | 31,295 |  |  | $ | 28,581 |  |  | $ | 26,284 |
State |  | 5,837 |  |  | 5,060 |  |  | 4,910 |
Foreign |  | 2,048 |  |  | 2,181 |  |  | 1,204 |
|  | 39,180 |  |  | 35,822 |  |  | 32,398 |
Deferred: |  |  |  |  |  |  |  |
Federal & State |  | 11,520 |  |  | 15,991 |  |  | 4,244 |
Foreign |  | (209 | ) |  | (256 | ) |  | (84 | )
|  | 11,311 |  |  | 15,735 |  |  | 4,160 |
|  | $ | 50,491 |  |  | $ | 51,557 |  |  | $ | 36,558 |
Income (Loss) before Income Tax Provision | Income from continuing operations before income taxes consists of the following (in thousands):
|  | Year Ended December 31,
|  | 2015 |  | 2014 |  | 2013
United States |  | $ | 116,011 |  |  | $ | 122,496 |  |  | $ | 82,970 |
Foreign |  | 5,902 |  |  | 2,556 |  |  | 4,728 |
|  | $ | 121,913 |  |  | $ | 125,052 |  |  | $ | 87,698 |
Schedule of Deferred Tax Assets and Liabilities | The components of deferred tax assets (liabilities) are as follows (in thousands):
|  | December 31,
|  | 2015 |  | 2014
Intangibles |  | $ | (70,588 | ) |  | $ | (59,226 | )
Depreciation expense |  | (14,369 | ) |  | (13,405 | )
Allowance for doubtful accounts |  | 2,607 |  |  | 2,027 |
Employee related accruals |  | 7,573 |  |  | 7,240 |
Workers’ compensation and medical malpractice loss reserves |  | 720 |  |  | 4,068 |
Stock-based compensation |  | 7,354 |  |  | 3,022 |
Other |  | 5,061 |  |  | 7,286 |
Net operating loss carryforwards |  | 1,147 |  |  | 1,260 |
Valuation allowance |  | (1,044 | ) |  | (1,114 | )
|  | $ | (61,539 | ) |  | $ | (48,842 | )
Schedule of Effective Income Tax Rate Reconciliation | The reconciliation between the amount computed by applying the U.S. federal statutory tax rate of 35.0 percent to income before income taxes and the income tax provision is as follows (in thousands):
|  | Year Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Income tax provision at the statutory rate |  | $ | 42,669 |  |  | $ | 43,768 |  |  | $ | 30,694 |
State income taxes, net of federal benefit |  | 4,559 |  |  | 4,674 |  |  | 3,807 |
Disallowed meals and entertainment expenses |  | 1,718 |  |  | 1,608 |  |  | 1,592 |
Other |  | 1,545 |  |  | 1,507 |  |  | 465 |
|  | $ | 50,491 |  |  | $ | 51,557 |  |  | $ | 36,558 |
Schedule of Unrecognized Tax Benefits Roll Forward | The following is a reconciliation of the total amounts of unrecognized tax benefits (in thousands):
|  | Year Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Unrecognized tax benefit beginning of year |  | $ | 848 |  |  | $ | 979 |  |  | $ | 376 |
Gross increases - tax positions in prior year |  | — |  |  | 126 |  |  | 1,240 |
Gross decreases - tax positions in prior year |  | (34 | ) |  | — |  |  | (177 | )
Lapse of the statute of limitations |  | — |  |  | (131 | ) |  | — |
Discontinued operations |  | — |  |  | (126 | ) |  | (460 | )
Unrecognized tax benefit end of year |  | $ | 814 |  |  | $ | 848 |  |  | $ | 979 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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