Exhibit 12.1

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Six Months Ended June 30,					Year Ended December 31,
	2013		2012			2012			2011			2010			2009			2008
Pre-tax income (loss) from continuing operations	$	1,364	$	7,752		$	14,951		$	2,842		$	(13,096	)	$	(10,969	)	$	(40,465	)
Add:
Fixed Charges		38,430		26,835			57,019			52,724			54,456			51,300			57,896
Amortization of capitalized interest		197		195			382			388			216			320			438
Distributed income of equity investees		188		206			440			426			190			—			—
Interest capitalized		—		(10	)		(119	)		(28	)		(24	)		—			18
Total adjusted earnings (loss) available for payment of fixed charges	$	40,179	$	34,978		$	72,673		$	56,352		$	41,742		$	40,651		$	17,887
Fixed Charges:
Interest expense	$	23,920	$	15,840		$	34,411		$	30,688		$	32,661		$	30,999		$	38,299
Amortization of debt related expenses		725		1,034			1,593			3,425			3,324			2,068			2,420
Portion of rental expense representing interest		13,785		9,961			21,015			18,611			18,471			18,233			17,177
Total fixed charges	$	38,430	$	26,835		$	57,019		$	52,724		$	54,456		$	51,300		$	57,896
Ratio of earnings to fixed charges (1)		1.05x		1.3x			1.27x			1.07x			0.77x			0.79x			0.31x

(1) Our earnings were inadequate to cover fixed charges by $12.7 million, $10.6 million and $40.0 million for the years ended December 31, 2010, 2009 and 2008, respectively.