Equity And Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Equity And Stock-Based Compensation [Abstract]

Schedule Of Fair Value Of Options, Weighted Average Assumptions

	2015	2014
Stock option exercise price	$12.34	$7.40
Risk-free interest rate	1.77%	2.88%
Expected dividend yield	--	--
Expected option life in years	5	4
Expected volatility	31.80%	30.65%
Weighted average fair value	$3.83	$2.46

Schedule Of Stock Options Outstanding And Exercisable

			Weighted							Weighted Average
	Common Stock		Average Exercise				Common Stock			Price of
	Options		Price of Options				Exercisable			Exercisable
	Outstanding		Outstanding				Options			Options
	Class A	Class B	Class A		Class B		Class A	Class B	Class A		Class B
Outstanding - January 1, 2014	709,850	185,100	$	6.88	$	9.90	490,350	185,100	$	6.85	$	9.90
Granted	80,000	--	$	8.56	$	--	--	--		--		--
Exercised	(157,600)	--	$	6.21	$	--	--	--		--		--
Expired	(64,000)	--	$	6.83	$	--	--	--		--		--
Outstanding - December 31, 2014	568,250	185,100	$	6.88	$	9.90	348,000	185,100	$	6.82	$	9.90
Granted	12,000	--	$	12.34	$	--	--	--		--		--
Exercised	(47,500)	--	$	6.87	$	--	--	--		--		--
Outstanding - March 31, 2015	532,750	185,100	$	7.01	$	9.90	313,750	185,100	$	7.02	$	9.90