Note 9 - Net Income Per Share of Class A and Class B Common Stock (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Earnings Per Share Reconciliation [Table Text Block]

Year Ended December 31,	2012						2011						2010
Basic EPS	Class A			Class B			Class A			Class B			Class A			Class B
Numerator:
Income from continuing operations applicable to common stockholders	$	69,069		$	10,326		$	47,292		$	7,918		$	11,626		$	1,961
Distributed income applicable to common stockholders		(10,497	)		(1,569	)		(5,844	)		(978	)		(3,353	)		(566	)
Basic undistributed income from continuing operations applicable to common stockholders	$	58,572		$	8,757		$	41,448		$	6,940		$	8,273		$	1,395
Denominator:
Weighted average number of shares out-standing used to calculate basic income per share		22,354			3,342			22,468			3,762			22,300			3,762
Basic income from continuing operations per share applicable to common stockholders	$	3.09		$	3.09		$	2.10		$	2.10		$	0.52		$	0.52
Basic distributed income per share applicable to common stockholders		(0.47	)		(0.47	)		(0.26	)		(0.26	)		(0.15	)		(0.15	)
Basic undistributed income from continuing operations per share applicable to common stockholders	$	2.62		$	2.62		$	1.84		$	1.84		$	0.37		$	0.37

Year Ended December 31,	2012					2011					2010
Diluted EPS	Class A		Class B			Class A		Class B			Class A		Class B
Numerator:
Distributed income applicable to common stockholders	$	10,497	$	1,569		$	5,844	$	978		$	3,353	$	566
Reallocation of distributed income as a result of conversion of dilutive stock options		28		(28	)		15		(15	)		5		(5	)
Reallocation of distributed income due to conversion of Class B to Class A		1,541		-			963		-			561		-
Diluted distributed income applicable to common stockholders	$	12,066	$	1,541		$	6,822	$	963		$	3,919	$	561
Undistributed income from continuing operations applicable to common stockholders	$	58,572	$	8,757		$	41,448	$	6,940		$	8,273	$	1,395
Reallocation of undistributed income as a result of conversion of dilutive stock options		159		(159	)		113		(113	)		11		(11	)
Reallocation of undistributed income due to conversion of Class B to Class A		8,598		-			6,827		-			1,384		-
Diluted undistributed income from continuing operations applicable to common stockholders	$	67,329	$	8,598		$	48,388	$	6,827		$	9,668	$	1,384
Denominator:
Weighted average number of shares outstanding used to calculate basic income per share		22,354		3,342			22,468		3,762			22,300		3,762
Weighted average number of shares from stock options		474		-			434		-			217		-
Conversion of Class B to Class A		3,342		-			3,762		-			3,762		-
Weighted average number of shares outstanding used to calculate diluted income per share		26,170		3,342			26,664		3,762			26,279		3,762

Year Ended December 31,	2012						2011						2010
Diluted EPS	Class A			Class B			Class A			Class B			Class A			Class B
Diluted income from continuing operations per share available to common stockholders	$	3.03		$	3.03		$	2.07		$	2.07		$	0.52		$	0.52
Diluted distributed income from continuing operations per share applicable to common stockholders		(0.47	)		(0.47	)		(0.26	)		(0.26	)		(0.15	)		(0.15	)
Diluted undistributed income from continuing operations per share applicable to common stockholders	$	2.56		$	2.56		$	1.81		$	1.81		$	0.37		$	0.37
Antidilutive Securities:
Shares issuable pursuant to stock options not included since they were antidilutive		45			-			280			-			661			-