Earnings Per Common Share and Share Awards (Tables)

12 Months Ended

Dec. 31, 2019

Computation Of Basic And Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the years ended December 31:



(in thousands, except per share amounts)	2019		2018		2017
Net income attributable to the Company	$	31,458	$	21,892	$	25,707
Weighted average common shares outstanding – Basic	1,888		1,887		1,886
Incremental shares outstanding assuming the exercise of dilutive stock options and SARs (share-settled)	8		10		10
Weighted average common shares outstanding – Diluted	1,896		1,897		1,896
Basic earnings per common share	$	16.66	$	11.60	$	13.63
Diluted earnings per common share	$	16.59	$	11.54	$	13.56

Summary Of Share-Based Award Transactions

A summary of share-based award transactions for all share-based award plans follows:



(in thousands, except weighted average exercise price and average remaining contractual term)	Number Of Shares		Weighted Average Exercise Price		Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Outstanding as of January 1, 2017	25		$	65.85	3.85	$	837
SARs granted	4		192.71
SARs exercised	(4	)	36.38
Outstanding as of December 31, 2017	25		$	93.40	3.98	$	2,624
SARs granted	4		188.71
SARs exercised	(1	)	41.50
Outstanding as of December 31, 2018	28		$	110.27	3.64	$	2,019
SARs granted	4		162.81
SARs exercised	(2	)	50.50
Outstanding as of December 31, 2019	30		$	124.13	3.53	$	1,352

Exercisable as of December 31, 2019	29		$	122.62	3.42	$	1,352

Unvested as of December 31, 2019	1		$	162.81	6.38	$	—

Summary of Information of Fixed Stock Options

The following table summarizes information about SARs outstanding at December 31, 2019:



(in thousands, except exercise prices and average remaining contractual term)					SARs Outstanding at Year-End				SARs Exercisable at Year-End
Range of Exercise Prices					Number Outstanding	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Number Exercisable	Weighted Average Exercise Price
$	60.00	—	$	69.99	4	1.39	$	68.70	4	$	68.70
70.00		—	79.99		8	1.58	72.44		8	72.44
90.00		—	99.99		4	3.38	93.87		4	93.87
150.00		—	199.99		14	5.38	181.41		13	183.10
$	60.00	—	$	199.99	30	3.53	$	124.13	29	$	122.62

Share-Based Valuation Assumptions

The weighted average fair values for the SARs issued during 2019, 2018 and 2017 were $51.88, $78.61 and $55.40, respectively, and were estimated using the weighted average assumptions shown in the table below.



	2019	2018	2017
Expected life in years	7.0	7.0	7.0
Volatility	30.2%	39.0%	26.2%
Interest rate	2.3%	3.1%	2.0%
Yield rate	1.0%	0.8%	0.8%