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Income Taxes | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes We are subject to U.S. federal income tax as well as income tax in multiple state and local jurisdictions. We have concluded all U.S. federal income tax matters as well as material state and local tax matters for years through 2012. We file consolidated federal income tax returns that include all of our subsidiaries. The components of the provision for income taxes from continuing operations for the years ended December 31, 2016, 2015 and 2014 are as follows (in thousands):
| 2016 |  | 2015 |  | 2014
Current |  |  |  |  |
Federal | $ | 13,648 |  |  | $ | 13,641 |  |  | $ | 7,889 |
State | 2,379 |  |  | 2,352 |  |  | 1,486 |
| 16,027 |  |  | 15,993 |  |  | 9,375 |
Deferred |  |  |  |  |  |  |  |
Federal | (983 | ) |  | 73 |  |  | 2,595 |
State | (163 | ) |  | 11 |  |  | 488 |
| (1,146 | ) |  | 84 |  |  | 3,083 |
Provision for income taxes | $ | 14,881 |  |  | $ | 16,077 |  |  | $ | 12,458 |
The differences between the amount of tax computed at the federal statutory rate of 35% and the provision for income taxes from continuing operations for the years ended December 31, 2016, 2015 and 2014 are as follows (in thousands):
| 2016 |  | 2015 |  | 2014
Tax at statutory federal income tax rate | $ | 14,586 |  |  | $ | 14,348 |  |  | $ | 11,531 |
Increases (decreases) in tax resulting from: |  |  |  |  |  |  |  |
State taxes, net of federal tax benefit | 1,599 |  |  | 1,683 |  |  | 1,486 |
Permanent differences, net | (974 | ) |  | 88 |  |  | (516 | )
Other, net | (330 | ) |  | (42 | ) |  | (43 | )
Provision for income taxes | $ | 14,881 |  |  | $ | 16,077 |  |  | $ | 12,458 |
The tax effect of temporary differences representing deferred tax assets and liabilities as of December 31, 2016 and 2015 are as follows (in thousands):
| 2016 |  | 2015
Gross deferred tax assets |  |  |
Deferred compensation and accrued paid leave | $ | 7,602 |  |  | $ | 6,943 |
Accrued expenses | 1,933 |  |  | 2,228 |
Stock-based compensation | 803 |  |  | 765 |
Interest rate swaps | — |  |  | 47 |
Reserve for contract disallowances | 90 |  |  | 119 |
Acquisition-related expenses | 452 |  |  | 503 |
Capitalized inventory | 1,104 |  |  | 1,080 |
State operating loss carryforward | 283 |  |  | — |
Tax credit carryforward | 155 |  |  | — |
Legal settlements | 614 |  |  | — |
Other | 65 |  |  | 3 |
Total gross deferred tax assets | 13,101 |  |  | 11,688 |
Gross deferred tax liabilities |  |  |
Interest rate swaps | (28 | ) |  | — |
Depreciation | (3,522 | ) |  | (3,912 | )
Deferred revenues | (2,291 | ) |  | (2,189 | )
Goodwill and intangible assets | (37,132 | ) |  | (37,111 | )
Total gross deferred tax liabilities | (42,973 | ) |  | (43,212 | )
Net deferred tax liabilities | $ | (29,872 | ) |  | $ | (31,524 | )

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + 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)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 Reference 4: 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=65882285&loc=d3e32639-109319 Reference 5: 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=65882285&loc=d3e32537-109319 + Details
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