Earnings Per Share (Tables)

3 Months Ended

Jun. 30, 2013

Earnings Per Share (Thousands of Dollars and Shares Except Per Share Data) [Abstract]

Earnings Per Share

	2013				2012
Quarter	Basic		Diluted		Basic		Diluted
Net earnings	$	36,480		36,480		43,427		43,427
Average shares outstanding		130,323		130,323		130,294		130,294
Effect of dilutive securities:
Options and other share-based awards		-		1,657		-		1,824
Equivalent Shares		130,323		131,980		130,294		132,118
Net earnings per common share	$	0.28		0.28		0.33		0.33

	2013				2012
Six Months	Basic		Diluted		Basic		Diluted
Net earnings	$	29,809		29,809		40,848		40,848
Average shares outstanding		129,831		129,831		129,918		129,918
Effect of dilutive securities:
Options and other share-based awards		-		1,606		-		1,907
Equivalent Shares		129,831		131,437		129,918		131,825
Net earnings per common share	$	0.23		0.23		0.31		0.31