Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

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

Earnings (Loss) Per Share

	2019				2018
Quarter	Basic		Diluted		Basic		Diluted
Net earnings (loss)	$	26,727		26,727		(112,492)		(112,492)
Average shares outstanding		126,287		126,287		125,073		125,073
Effect of dilutive securities:
Options and other share-based awards		-		529		-		-
Equivalent Shares		126,287		126,816		125,073		125,073
Net earnings (loss) per common share	$	0.21		0.21		(0.90)		(0.90)