Stock-Based Compensation and Stock Repurchases (Tables)

12 Months Ended

Dec. 31, 2016

Stock-Based Compensation and Stock Repurchases [Abstract]

Summary Of Stocks Awarded

	Fair Value		Number of Shares		Fair Value Per Share
2014	$	1,200,000		160,643	$	7.47
2013		750,000		125,209		5.99

Schedule Of Fair Value Of Options, Weighted Average Assumptions

	2016		2015		2014
Stock option exercise price	$	$11.87	$	13.30	$	8.56
Risk-free interest rate		1.20%		2.23%		2.51%
Expected dividend yield		--		--		--
Expected option life in years		3.75		4.00		5.00
Expected volatility		25.01%		31.86%		31.33%
Weighted average fair value	$	2.49	$	3.82	$	2.76

Schedule Of Stock Options Outstanding

	Outstanding Stock Options
	Number of Options		Weighted Average Exercise Price				Weighted Average Remaining Years of Contractual Life	Aggregate Intrinsic Value
	Class A	Class B	Class A		Class B		Class A&B	Class A&B
Outstanding - January 1, 2014	709,850	185,100	$	6.66	$	9.90	4.70	$	938,503
Granted	80,000	--		8.56		--
Exercised	(157,600)	--		6.21		--		$	374,022
Expired	(64,000)	--		6.83		--
Outstanding - December 31, 2014	568,250	185,100	$	6.88	$	9.90	2.40	$	4,197,000
Granted	112,000	--		13.30		--
Exercised	(185,685)	(185,100)		6.09		9.90		$	327,170
Expired	(8,000)	--		6.23		--
Outstanding - December 31, 2015	486,565	--	$	8.68	$	--	2.89	$	2,188,011
Granted	169,327	--		11.87		--
Exercised	(46,815)	--		9.50		--		$	220,002
Expired	(74,000)	--		7.02		--
Outstanding - December 31, 2016	535,077	--	$	9.84	$	--	2.61	$	3,615,191

Summary Of Vested Stock Options

	Vested and Unvested Stock Options
	Number of Options		Weighted Average Exercise Price				Weighted Average Remaining Years of Contractual Life	Aggregate Intrinsic Value
	Class A	Class B	Class A			Class B	Class A&B	Class A&B
Vested
December 31, 2016	296,500	--	$	7.88	$	--	1.59	$	2,584,500
December 31, 2015	256,065	--		7.64		--	2.14		1,401,321
December 31, 2014	348,000	185,100		6.82		9.90	3.63		2,476,230
Unvested
December 31, 2016	238,577	--		12.28		--	3.87		1,030,691
December 31, 2015	230,500	--		9.83		--	3.72		786,690
December 31, 2014	220,250	--		6.98		--	4.25		1,720,770

Schedule Of Stocks Repurchased

	Shares Acquired	Share Price		Total Paid (in thousands)
2016	181,739	$	15.68	$	2,850
2015	240,102	$	12.95	$	3,110
2014	432,252		9.42		4,070
Total	854,093	$	11.74	$	10,030