EXHIBIT 12 — COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(In thousands, except ratio)

	Three Months Ended
	March 31,						Year Ended
	2008			2007			2007			2006			2005			2004			2003
Income from continuing operations before income taxes, equity in earnings of non-consolidated affiliates and cumulative effect of a change in accounting principle	$	144,927		$	160,335		$	1,198,647		$	1,041,060		$	935,440		$	1,165,285		$	1,692,806
Dividends and other received from nonconsolidated affiliates		8,312			3,586			6,793			15,179			14,696			13,491			2,096
Total		153,239			163,921			1,205,440			1,056,239			950,136			1,178,776			1,694,902
Fixed Charges
Interest expense*		100,003			118,077			451,870			484,063			443,442			367,511			392,215
Interest portion of rentals		111,552			92,240			418,587			374,123			341,752			320,634			281,873
Total fixed charges		211,555			210,317			870,457			858,186			785,194			688,145			674,088
Preferred stock dividends
Tax effect of preferred dividends		—			—			—			—			—			—			—
After tax preferred dividends		—			—			—			—			—			—			—
Total fixed charges and preferred dividends		211,555			210,317			870,457			858,186			785,194			688,145			674,088
Total earnings available for payment of fixed charges	$	364,794		$	374,238		$	2,075,897		$	1,914,425		$	1,735,330		$	1,866,921		$	2,368,990
Ratio of earnings to fixed charges		1.72			1.78			2.38			2.23			2.21			2.71			3.51
Rental fees and charges		318,721			263,542			1,195,962			1,068,924			976,435			916,096			805,350
Interest portion		35	%		35	%		35	%		35	%		35	%		35	%		35	%

* The interest amount does not include interest expense associated with unrecognized tax benefits.