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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The income tax provision consisted of the following for the years ended December 31:

(in thousands)		2014				2013				2012
Current
Federal		$	14,720			$	16,812			$	14,856
State			3,031				2,920				2,885
			17,751				19,732				17,741
Deferred
Federal			3,154				218				2,396
State			501				163				291
			3,655				381				2,687
Income tax expense		$	21,406			$	20,113			$	20,428

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The differences between the U.S. federal statutory tax rate and the Company’s effective tax rate for continuing operations were as follows for the years ended December 31:

		2014				2013				2012
U.S federal statutory rate			35.0 %				35.0 %				35.0 %
State income taxes, net of U.S. federal income tax expense			3.6				3.5				3.8
Provision to return adjustments, net			0.2				(0.3	)			(0.2	)
Domestic production/manufacturing deduction			(2.3	)			(2.0	)			(2.0	)
Non-deductible meals and entertainment			0.4				0.4				0.4
Research and development credit			—				—				(0.1	)
Other, net			—				0.1				0.5
Effective rate			36.9 %				36.7 %				37.4 %

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The net deferred tax assets and (liabilities) arising from temporary differences was as follows at December 31:

(in thousands)		2014				2013
Deferred income tax assets:
Self insurance reserves		$	8,369			$	8,643
Contract loss reserves			72				435
Stock-based awards			4,420				4,245
Bonus			2,578				2,884
Other			886				2,588
Total deferred income tax assets			16,325				18,795
Deferred income tax liabilities:
Property and equipment – tax over book depreciation			(25,350	)			(24,037	)
Intangible assets – tax over book amortization			(3,799	)			(3,927	)
Total deferred income tax liabilities			(29,149	)			(27,964	)
Net deferred income taxes		$	(12,824	)		$	(9,169	)

Schedule Of Deferred Tax Assets And Liabilities Balance Sheet Classification [Table Text Block]

The balance sheet classification of deferred income taxes is as follows:

(in thousands)		2014				2013
Current deferred income tax assets		$	11,905			$	14,550
Non-current deferred income tax liabilities			(24,729	)			(23,719	)
		$	(12,824	)		$	(9,169	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

The following is a reconciliation of the beginning and ending liability for unrecognized tax benefits at December 31:

(in thousands)		2014				2013
Balance at beginning of period		$	657			$	655
Gross increases in current period tax positions			93				132
Gross increases in prior period tax positions			—				55
Gross decreases in prior period tax positions			(243	)			(185	)
Balance at end of period			507				657
Accrued interest and penalties at end of period			223				189
Total liability for unrecognized tax benefits		$	730			$	846

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