Exhibit 12

STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(DOLLARS IN THOUSANDS)

	Year Ended December 31,
	2007			2008			2009			2010			2011
Earnings
Income from continuing operations before provision for income taxes and extraordinary item	$	111,858		$	366,287		$	447,662		$	518,894		$	473,547
Income from equity investees		(25,136	)		(42,073	)		(36,531	)		(45,443	)		(49,491	)
Distributed income from equity investees		19,902			32,897			33,705			33,882			39,995
Interest and amortization of deferred finance costs		356,488			643,397			643,608			647,593			644,410
Amortization of capitalized interest		881			1,468			2,021			2,421			2,882
Implicit rental interest expense		36,696			55,440			59,384			62,116			63,695
Total Earnings	$	500,689		$	1,057,416		$	1,149,849		$	1,219,463		$	1,175,038
Fixed Charges
Interest and amortization of deferred finance costs	$	356,488		$	643,397		$	643,608		$	647,593		$	644,410
Capitalized interest		19,009			22,087			16,649			11,316			20,998
Implicit rental interest expense		36,696			55,440			59,384			62,116			63,695
Total Fixed Charges	$	412,193		$	720,924		$	719,641		$	721,025		$	729,103
Ratio of earnings to fixed charges		1.21	x		1.47	x		1.60	x		1.69	x		1.61	x