|
Income Taxes Income Tax Provision (Tables)
|
12 Months Ended |
|
Dec. 31, 2011
|
| Income Tax Disclosure [Abstract] |
|
| Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] |
A reconciliation of the beginning and ending amount of unrecognized tax benefit is as follows:
|
|
|
|
|
|
Liability for |
|
Unrecognized Tax |
|
Benefits |
Balance at December 31, 2008 |
$ |
428 |
|
Additions for tax positions of current year |
71 |
|
Additions for tax positions of prior years |
143 |
|
Balance at December 31, 2009 |
642 |
|
Additions for tax positions of current year |
41 |
|
Additions for tax positions of prior years |
190 |
|
Reductions for settlement with state taxing authorities |
(148 |
) |
Balance at December 31, 2010 |
725 |
|
Additions for tax positions of current year |
75 |
|
Reductions for tax positions of prior years |
(29 |
) |
Reductions for lapse of statute of limitations |
(121 |
) |
Reductions for settlement with state taxing authorities |
(169 |
) |
Balance at December 31, 2011 |
$ |
481 |
|
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
The provision for income taxes consists of the following:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011 |
|
2010 |
|
2009 |
Current: |
|
|
|
|
|
Federal |
$ |
20,841 |
|
|
$ |
16,816 |
|
|
$ |
10,711 |
|
State |
3,175 |
|
|
2,811 |
|
|
2,017 |
|
|
24,016 |
|
|
19,627 |
|
|
12,728 |
|
Deferred: |
|
|
|
|
|
|
|
|
Federal |
4,640 |
|
|
1,566 |
|
|
(4,310 |
) |
State |
710 |
|
|
(130 |
) |
|
(271 |
) |
|
5,350 |
|
|
1,436 |
|
|
(4,581 |
) |
|
$ |
29,366 |
|
|
$ |
21,063 |
|
|
$ |
8,147 |
|
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
The historical income tax expense differs from the amounts computed by applying the federal statutory rate of 35.0% to income before income taxes as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011 |
|
2010 |
|
2009 |
Tax expense at the statutory rate |
$ |
26,798 |
|
|
$ |
18,585 |
|
|
$ |
6,282 |
|
State income taxes, net of federal benefit |
2,542 |
|
|
1,790 |
|
|
1,135 |
|
Qualified stock options |
472 |
|
|
516 |
|
|
659 |
|
Meals and entertainment |
207 |
|
|
186 |
|
|
176 |
|
Deferred tax asset valuation allowance |
(17 |
) |
|
(124 |
) |
|
183 |
|
Federal income tax credits |
(675 |
) |
|
— |
|
|
(269 |
) |
Other |
39 |
|
|
110 |
|
|
(19 |
) |
|
$ |
29,366 |
|
|
$ |
21,063 |
|
|
$ |
8,147 |
|
|
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
Significant components of the Company’s deferred tax liabilities and assets are as follows:
|
|
|
|
|
|
|
|
|
|
December 31,
2011 |
|
December 31,
2010 |
Deferred tax assets: |
|
|
|
Accrued expenses |
$ |
5,711 |
|
|
$ |
4,669 |
|
Allowance for doubtful accounts |
588 |
|
|
772 |
|
Non-compete agreements |
2,779 |
|
|
2,227 |
|
Share-based compensation |
6,326 |
|
|
5,101 |
|
Accruals for income tax contingencies |
56 |
|
|
114 |
|
Impairment of goodwill and other intangible assets |
1,501 |
|
|
1,805 |
|
Net operating loss carryforwards |
343 |
|
|
444 |
|
Total deferred tax assets |
17,304 |
|
|
15,132 |
|
Valuation allowance |
(348 |
) |
|
(335 |
) |
Total deferred tax assets, net of valuation allowance |
16,956 |
|
|
14,797 |
|
Deferred tax liabilities: |
|
|
|
Tax over book depreciation |
17,289 |
|
|
11,541 |
|
Prepaid expenses deductible when paid |
1,868 |
|
|
1,463 |
|
Goodwill |
6,914 |
|
|
5,760 |
|
Total deferred tax liabilities |
26,071 |
|
|
18,764 |
|
Net deferred tax liabilities |
$ |
(9,115 |
) |
|
$ |
(3,967 |
) |
The balance sheet classification of deferred income taxes is as follows:
|
|
|
|
|
|
|
|
|
|
December 31,
2011 |
|
December 31,
2010 |
Current assets |
$ |
2,011 |
|
|
$ |
2,149 |
|
Noncurrent liabilities |
(11,126 |
) |
|
(6,116 |
) |
|
$ |
(9,115 |
) |
|
$ |
(3,967 |
) |
|