EXHIBIT 12

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Years Ended December 31,
(In thousands)	2008			2007			2006			2005			2004
Earnings from continuing operations before income taxes	$	431,084		$	263,891		$	233,442		$	175,860		$	127,830
Add:
Interest on indebtedness		47,011			33,311			29,227			36,234			34,227
Amortization of debt expense		1,070			796			704			939			1,098
Portion of rents representative of the interest factor		10,823			8,578			7,735			7,392			7,089
Deduct:
Undistributed earnings from less-than-50-percent-owned entities		(66	)		427			(61	)		(631	)		(1,055	)
Earnings (as defined)	$	489,922		$	307,003		$	271,047		$	219,794		$	169,189
Fixed charges:
Interest on indebtedness	$	47,011		$	33,311		$	29,227		$	36,234		$	34,227
Amortization of debt expense		1,070			796			704			939			1,098
Portion of rents representative of the interest factor		10,823			8,578			7,735			7,392			7,089
Total fixed charges	$	58,904		$	42,685		$	37,666		$	44,565		$	42,414
Ratio of earnings to fixed charges		8.3	x		7.2	x		7.2	x		4.9	x		4.0x