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Income taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Income Taxes |
Schedule of provision for income taxes relating to continuing operations | The provision for income taxes relating to continuing operations consists of the following (in thousands):
|  | December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
Current— |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 5,679 |  | $ | 2,207 |  | $ | 9,474 |
State and Puerto Rico |  |  | 1,151 |  |  | 1,673 |  |  | 1,954 |
|  |  | 6,830 |  |  | 3,880 |  |  | 11,428 |
Deferred— |  |  |  |  |  |  |  |  |  |
Federal |  |  | 2,897 |  |  | (10,121 | ) |  | 1,501 |
State and Puerto Rico |  |  | 318 |  |  | 778 |  |  | (1,736 | )
|  |  | 3,215 |  |  | (9,343 | ) |  | (235 | )
|  | $ | 10,045 |  | $ | (5,463 | ) | $ | 11,193 |
Schedule of difference in income taxes provided for and the amounts determined by applying the federal statutory tax rate to income before income taxes results | The difference in income taxes provided for and the amounts determined by applying the federal statutory tax rate to income before income taxes results from the following (in thousands):
|  | December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
Income tax expense (benefit) at the statutory rate |  | $ | 7,539 |  | $ | (13,278 | ) | $ | 11,115 |
Changes resulting from— |  |  |  |  |  |  |  |  |  |
State income taxes, net of federal tax effect |  |  | 1,011 |  |  | (1,972 | ) |  | 924 |
Increase (decrease) in valuation allowance |  |  | 455 |  |  | 3,431 |  |  | (846 | )
Increase in contingency reserves |  |  | 198 |  |  | 28 |  |  | 95 |
Increase (decrease) from noncontrolling interests |  |  | 565 |  |  | (118 | ) |  | — |
Non-deductible expenses |  |  | 481 |  |  | 386 |  |  | 452 |
Production activity deduction |  |  | (378 | ) |  | — |  |  | (391 | )
Goodwill impairment |  |  | — |  |  | 9,223 |  |  | — |
Purchase accounting adjustments |  |  | (210 | ) |  | (2,992 | ) |  | — |
Other |  |  | 384 |  |  | (171 | ) |  | (156 | )
|  | $ | 10,045 |  | $ | (5,463 | ) | $ | 11,193 |
Schedule of significant components of the net deferred tax assets and net deferred tax liabilities as reflected on the balance sheet | Significant components of the net deferred tax assets and net deferred tax liabilities as reflected on the balance sheet are as follows (in thousands):
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |
Deferred income tax assets— |  |  |  |  |  |  |
Accounts receivable and allowance for doubtful accounts |  | $ | 2,293 |  | $ | 1,692 |
Goodwill |  |  | — |  |  | 4,519 |
Stock compensation |  |  | 2,444 |  |  | 2,583 |
Accrued liabilities and expenses |  |  | 19,661 |  |  | 20,809 |
State net operating loss carryforwards |  |  | 4,668 |  |  | 4,604 |
Other |  |  | 1,224 |  |  | 1,186 |
Total deferred income tax assets |  |  | 30,290 |  |  | 35,393 |
Deferred income tax liabilities— |  |  |  |  |  |  |
Property and equipment |  |  | (5,357 | ) |  | (5,828 | )
Long-term contracts |  |  | (306 | ) |  | (237 | )
Goodwill |  |  | (1,124 | ) |  | — |
Intangible assets |  |  | (3,932 | ) |  | (4,762 | )
Tax accounting method change (Section 481 adjustments) |  |  | — |  |  | (2,978 | )
Other |  |  | (1,131 | ) |  | (671 | )
Total deferred income tax liabilities |  |  | (11,850 | ) |  | (14,476 | )
Less—Valuation allowance |  |  | (4,453 | ) |  | (3,999 | )
Net deferred income tax assets |  | $ | 13,987 |  | $ | 16,918 |
Schedule of deferred income tax assets and liabilities included in the consolidated balance sheets | The deferred income tax assets and liabilities reflected above are included in the consolidated balance sheets as follows (in thousands):
|  | December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |
Deferred income tax assets— |  |  |  |  |  |  |
Prepaid expenses and other |  | $ | 19,952 |  | $ | 19,294 |
Other noncurrent assets |  |  | 2,324 |  |  | 2,594 |
Total deferred income tax assets |  | $ | 22,276 |  | $ | 21,888 |
Deferred income tax liabilities— |  |  |  |  |  |  |
Other current liabilities |  | $ | 335 |  | $ | 328 |
Deferred income tax liabilities |  |  | 7,954 |  |  | 4,642 |
Total deferred income tax liabilities |  | $ | 8,289 |  | $ | 4,970 |
Schedule of 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):
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
Balance at beginning of year |  | $ | 696 |  | $ | 696 |  | $ | 634 |
Additions based on tax positions related to the current year |  |  | — |  |  | — |  |  | 189 |
Additions for tax positions of prior years |  |  | — |  |  | — |  |  | — |
Reductions for tax positions of prior years |  |  | (197 | ) |  | — |  |  | (127 | )
Settlements |  |  | — |  |  | — |  |  | — |
Balance at end of year |  | $ | 499 |  | $ | 696 |  | $ | 696 |

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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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