Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

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,
	2015			2014			2013
Current—
Federal	$	27,564		$	13,402		$	11,707
State and Puerto Rico		4,065			2,810			1,954
		31,629			16,212			13,661
Deferred—
Federal		(1,481	)		(308	)		3,254
State and Puerto Rico		1,076			(4,290	)		1,233
		(405	)		(4,598	)		4,487
	$	31,224		$	11,614		$	18,148

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,
	2015			2014			2013
Income tax expense at the statutory rate of 35%	$	31,032		$	14,080		$	16,373
Changes resulting from—
State income taxes, net of federal tax effect		3,432			1,653			1,910
Increase (decrease) in valuation allowance		463			(1,944	)		1,465
Increase (decrease) in tax contingency reserves		(72	)		(40	)		(145	)
Increase (decrease) from noncontrolling interests		(2,827	)		(1,938	)		(450	)
Non-deductible expenses		751			704			594
Production activity deduction		(1,701	)		(694	)		(520	)
Purchase accounting adjustments		—			(46	)		(472	)
Other		146			(161	)		(607	)
	$	31,224		$	11,614		$	18,148

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,
	2015			2014
Deferred income tax assets—
Accounts receivable and allowance for doubtful accounts	$	1,889		$	1,626
Stock compensation		3,080			2,793
Accrued liabilities and expenses		19,174			18,670
State net operating loss carryforwards		6,781			6,958
Other		830			761
Total deferred income tax assets		31,754			30,808
Deferred income tax liabilities—
Property and equipment		(5,572	)		(7,035	)
Long-term contracts		(728	)		(535	)
Goodwill		(6,037	)		(3,562	)
Intangible assets		(156	)		(1,378	)
Other		(357	)		(271	)
Total deferred income tax liabilities		(12,850	)		(12,781	)
Less—Valuation allowance		(4,438	)		(3,975	)
Net deferred income tax assets	$	14,466		$	14,052

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,
	2015		2014
Deferred income tax assets—
Other noncurrent assets	$	16,276	$	15,362
Deferred income tax liabilities—
Deferred income tax liabilities	$	1,810	$	1,310

Schedule of reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding accrued interest and penalties

        A reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding accrued interest and penalties, is as follows (in thousands):

	Year Ended December 31,
	2015			2014			2013
Balance at beginning of year	$	343		$	413		$	499
Additions based on tax positions related to the current year		—			—			—
Additions for tax positions of prior years		—			—			—
Reductions for tax positions of prior years		(103	)		(70	)		(86	)
Settlements		—			—			—
Balance at end of year	$	240		$	343		$	413