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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2014
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,
|  | 2014 |  | 2013 |  | 2012
Current: |  |  |  |  |  |
Federal |  | $ | 31,071 |  |  | $ | 28,206 |  |  | $ | 17,332 |
State |  | 5,571 |  |  | 5,278 |  |  | 2,782 |
Foreign |  | 2,181 |  |  | 1,204 |  |  | 2,726 |
|  | 38,823 |  |  | 34,688 |  |  | 22,840 |
Deferred: |  |  |  |  |  |  |  |
Federal & State |  | 15,960 |  |  | 4,244 |  |  | 6,235 |
Foreign |  | (256 | ) |  | (84 | ) |  | (579 | )
|  | 15,704 |  |  | 4,160 |  |  | 5,656 |
|  | $ | 54,527 |  |  | $ | 38,848 |  |  | $ | 28,496 |
Income (Loss) before Income Tax Provision | Income from continuing operations before income taxes consists of the following (in thousands):
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
United States |  | $ | 130,984 |  |  | $ | 88,831 |  |  | $ | 62,536 |
Foreign |  | 2,556 |  |  | 4,728 |  |  | 3,155 |
|  | $ | 133,540 |  |  | $ | 93,559 |  |  | $ | 65,691 |
Schedule of Deferred Tax Assets and Liabilities | The components of deferred tax assets (liabilities) are as follows (in thousands):
|  | December 31, 2014 |  | December 31, 2013
Deferred income tax assets (liabilities): |  |  |  |
Current: |  |  |  |
Allowance for doubtful accounts |  | $ | 2,027 |  |  | $ | 1,716 |
Employee related accruals |  | 7,240 |  |  | 6,442 |
State taxes |  | 473 |  |  | 555 |
Workers’ compensation and medical malpractice loss reserves |  | 4,068 |  |  | 4,767 |
Other |  | 5,259 |  |  | 4,050 |
|  | 19,067 |  |  | 17,530 |
Non-current: |  |  |  |  |
Intangibles |  | (59,226 | ) |  | (49,763 | )
Depreciation expense |  | (13,405 | ) |  | (6,574 | )
Stock-based compensation |  | 3,022 |  |  | 3,761 |
Net operating loss carryforwards |  | 1,260 |  |  | 1,612 |
Other |  | 1,554 |  |  | 1,869 |
|  | (66,795 | ) |  | (49,095 | )
Valuation allowance |  | (1,114 | ) |  | (1,511 | )
Total net deferred income tax liability |  | $ | (48,842 | ) |  | $ | (33,076 | )
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,
|  | 2014 |  | 2013 |  | 2012
Income tax provision at the statutory rate |  | $ | 46,739 |  |  | $ | 32,746 |  |  | $ | 22,992 |
State income taxes, net of federal benefit |  | 5,007 |  |  | 4,046 |  |  | 2,581 |
Disallowed meals and entertainment expenses |  | 1,608 |  |  | 1,592 |  |  | 1,681 |
Other |  | 1,173 |  |  | 464 |  |  | 1,242 |
|  | $ | 54,527 |  |  | $ | 38,848 |  |  | $ | 28,496 |
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,
|  | 2014 |  | 2013 |  | 2012
Unrecognized Tax Benefit beginning of year |  | $ | 1,439 |  |  | $ | 376 |  |  | $ | 251 |
Gross increases - tax positions in prior year |  | (131 | ) |  | 1,240 |  |  | 159 |
Gross decreases - tax positions in prior year |  | — |  |  | (177 | ) |  | (34 | )
Lapse of the statute of limitations |  | 126 |  |  | — |  |  | — |
Unrecognized Tax Benefit end of year |  | $ | 1,434 |  |  | $ | 1,439 |  |  | $ | 376 |

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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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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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