Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	Three Months Ended June 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	$	23,246		13,790
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed income	$	23,246		13,790
Allocation of net income:
Dividends	$	—	—	—	—
Allocation of undistributed income	22,589		658	13,400	390
Net income	$	22,589	658	13,400	390
Denominator:
Basic earnings per share - weighted-average shares	3,435		200	3,434	200
Effect of dilutive stock options	—		—	3	—
Diluted earnings per share - adjusted weighted-average shares for assumed conversions	3,435		200	3,437	200
Basic Earnings Per Share	$	6.58	3.29	3.90	1.95
Diluted Earnings Per Share	$	6.58	3.29	3.90	1.95

	Six Months Ended June 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	$	42,987		32,001
Dividends - Class A shares	—			—
Dividends - Class B shares	—			—
Undistributed income	$	42,987		32,001
Allocation of net income:
Dividends	$	—	—	—	—
Allocation of undistributed income	41,771		1,216	31,096	905
Net income	$	41,771	1,216	31,096	905
Denominator:
Basic earnings per share - weighted-average shares	3,435		200	3,432	200
Effect of dilutive stock options	—		—	6	—
Diluted earnings per share - adjusted weighted-average shares for assumed conversions	3,435		200	3,438	200
Basic Earnings Per Share	$	12.16	6.08	9.06	4.53
Diluted Earnings Per Share	$	12.16	6.08	9.04	4.53