Exhibit 12.1

Statement Regarding Computation of Ratio of Earnings to Fixed Charges and Preference Dividends

Ratio of Earnings to Fixed Charges (dollar amounts in thousands)
	Year Ended December 31,
	2011		2010			2009		2008		2007
Earnings:
Income from continuing operations before provision for income taxes	$	174,027	$	154,000		$	79,133	$	67,472	$	8,742
Add:
Fixed charges		92,755		74,532			51,237		36,928		32,168
Less: Undistributed earnings (losses) from equity investees		27		(521	)		—		—		119
Total Earnings	$	266,755	$	229,053		$	130,370	$	104,400	$	40,791
Fixed Charges:
Interest expense	$	35,060	$	30,242		$	25,944	$	17,721	$	16,135
Estimate of interest expense within rental expense		57,695		44,290			25,293		19,207		16,033
Total Fixed Charges	$	92,755	$	74,532		$	51,237	$	36,928	$	32,168
Ratio of Earnings to Fixed Charges		2.9x		3.1x			2.5x		2.8x		1.3x