Earnings Per Share

9 Months Ended

Sep. 30, 2018

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

Earnings (Loss) Per Share

(4) Earnings Per Share

Net earnings per share data for the quarterand nine-month periods ended September 30,2018 and October 1,2017 were computed as follows:

	2018				2017
Quarter	Basic		Diluted		Basic		Diluted
Net earnings	$	263,861		263,861		265,583		265,583
Average shares outstanding		127,161		127,161		125,170		125,170
Effect of dilutive securities:
Options and other share-based awards		-		731		-		1,980
Equivalent Shares		127,161		127,892		125,170		127,150
Net earnings per common share	$	2.08		2.06		2.12		2.09

	2018				2017
Nine Months	Basic		Diluted		Basic		Diluted
Net earnings	$	211,668		211,668		401,905		401,905
Average shares outstanding		125,982		125,982		125,204		125,204
Effect of dilutive securities:
Options and other share-based awards		-		792		-		2,044
Equivalent Shares		125,982		126,774		125,204		127,248
Net earnings per common share	$	1.68		1.67		3.21		3.16

For the quarters ended September 30,2018 and October 1,2017, options and restricted stock unitstotaling 949and 450, respectively, were excluded from the calculation of diluted earnings per sharebecause to include them would have beenantidilutive.For the nine-month periods ended September 30,2018 and October 1,2017, options and restricted stock units totaling 1,124 and 514, respectively, were excluded from the calculation of diluted earnings per share because to include them would have been antidilutive.