INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2015

INCOME TAXES

Schedule of components of the income tax expense

$s in thousands	2015			2014			2013
Current:
U.S. Federal	$	17,818		$	13,767		$	14,769
State		2,830			2,492			2,241
Foreign		3,279			4,521			3,623
Total current		23,927			20,780			20,633
Deferred:
U.S. Federal		(2,355	)		2,721			(2,068	)
State		125			(155	)		(218	)
Foreign		(453	)		(532	)		(351	)
Total deferred		(2,683	)		2,034			(2,637	)
Income tax expense	$	21,244		$	22,814		$	17,996

Schedule of reconciliation between the effective income tax rate and the applicable statutory federal and state income tax rate

	2015			2014			2013
Taxes computed at statutory rate		35.0	%		35.0	%		35.0	%
Impairment and loss on divestiture		5.7			—			—
State income taxes (net of federal income tax benefit)		4.0			2.7			2.7
Non-deductible transaction costs		0.3			1.5			—
Foreign rate differential		(1.8	)		(2.0	)		(2.0	)
Other		2.1			0.2			0.2
		45.3	%		37.4	%		35.9	%

Schedule of components of the total net deferred tax assets and liabilities

$s in thousands	2015			2014(1)
Deferred tax assets:
Net operating loss, foreign tax credit and capital loss carry forwards	$	5,215		$	1,955
Accruals, allowances and other		5,021			4,336
Environmental compliance and other site related costs		7,924			7,081
Unrealized foreign exchange gains and losses		2,101			1,180
Unrealized gains and losses on interest rate hedge		1,637			1,098
Total deferred tax assets		21,898			15,650
Less: valuation allowance		(4,645	)		(2,518	)
Net deferred tax assets		17,253			13,132
Deferred tax liabilities:
Property and equipment		(23,898	)		(29,204	)
Intangible assets		(74,451	)		(85,859	)
Other		(1,526	)		(1,598	)
Total deferred tax liabilities		(99,875	)		(116,661	)
Net deferred tax liability	$	(82,622	)	$	(103,529	)

(1)           Balances have been revised to reflect purchase accounting measurement period adjustments related to the acquisition of EQ as disclosed in Note 4.

Schedule of domestic and foreign components of Income (loss) before income taxes

$s in thousands	2015		2014		2013
Domestic		36,367		46,017		37,958
Foreign		10,488		15,033		12,189
Income before income taxes	$	46,855	$	61,050	$	50,147

Schedule of changes to unrecognized tax benefits (excluding related penalties and interest)

$s in thousands	2015		2014			2013
Unrecognized tax benefits, beginning of year	$	—	$	438		$	438
Gross increases in tax positions in prior periods		—		—			—
Gross increases during the current period		—		—			—
Settlements		—		—			—
Lapse of statute of limitations		—		(438	)		—
Unrecognized tax benefits, end of year	$	—	$	—		$	438