Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	Three Months Ended September 30,
	2012				2011
	Class A			Class B	Class A		Class B
	(In thousands except per share amounts)
Numerator for Basic and Diluted Earnings Per Share:
Net income	$	24,322			19,265
Dividends - Class A shares	(1,237		)		(1,235	)
Dividends - Class B shares	(36		)		(36	)
Undistributed income	$	23,049			17,994
Allocation of net income:
Dividends	$	1,237		36	1,235		36
Allocation of undistributed income	22,397			652	17,485		509
Net income	$	23,634		688	18,720		545
Denominator:
Basic earnings per share - weighted-average shares	3,435			200	3,435		200
Effect of dilutive stock options	—			—	1		—
Diluted earnings per share - adjusted weighted-average shares for assumed conversions	3,435			200	3,436		200
Basic Earnings Per Share	$	6.88		3.44	5.45		2.73
Diluted Earnings Per Share	$	6.88		3.44	5.45		2.73

	Nine Months Ended September 30,
	2012				2011
	Class A			Class B	Class A		Class B
	(In thousands except per share amounts)
Numerator for Basic and Diluted Earnings Per Share:
Net income	$	67,309			51,265
Dividends - Class A shares	(1,237		)		(1,235	)
Dividends - Class B shares	(36		)		(36	)
Undistributed income	$	66,036			49,994
Allocation of net income:
Dividends	$	1,237		36	1,235		36
Allocation of undistributed income	64,168			1,868	48,580		1,414
Net income	$	65,405		1,904	49,815		1,450
Denominator:
Basic earnings per share - weighted-average shares	3,435			200	3,433		200
Effect of dilutive stock options	—			—	4		—
Diluted earnings per share - adjusted weighted-average shares for assumed conversions	3,435			200	3,437		200
Basic Earnings Per Share	$	19.04		9.52	14.51		7.25
Diluted Earnings Per Share	$	19.04		9.52	14.49		7.25