SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2011

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of reconciliation of numerator and denominator of the basic and diluted earnings per share computations

	For the Three-Month Period					For the Three-Month Period
	Ended June 30, 2011					Ended June 30, 2010
(in thousands, except	Income		Shares	Per Share		Income		Shares	Per Share
per share data)	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount
Basic EPS
Income available to common shareholders	$	47,381	21,075	$	2.25	$	34,994	21,026	$	1.66
Effect of Dilutive Securities
Stock Options	—		257			—		197
Diluted EPS
Income available to common shareholders	$	47,381	21,332	$	2.22	$	34,994	21,223	$	1.65

	For the Six-Month Period					For the Six-Month Period
	Ended June 30, 2011					Ended June 30, 2010
(in thousands, except	Income		Shares	Per Share		Income		Shares	Per Share
per share data)	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount
Basic EPS
Income available to common shareholders	$	73,842	21,050	$	3.51	$	59,215	21,100	$	2.81
Effect of Dilutive Securities
Stock options	—		265			—		198
Diluted EPS
Income available to common shareholders	$	73,842	21,315	$	3.46	$	59,215	21,298	$	2.78