EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2011

EARNINGS PER SHARE

Information related to the calculation of earnings per share

	Three months ended
	June 30, 2011				June 30, 2010
	Diluted		Basic		Diluted		Basic
Consolidated operations
Income available to common shareholders	$	51,289	$	51,289	$	46,695	$	46,695
Average equivalent shares
Shares of common stock	66,939		66,939		67,630		67,630
Effect of dilutive stock based compensation
Stock options	2,495		—		2,032		—
Restricted stock	4		—		20		—
Total average equivalent shares	69,438		66,939		69,682		67,630
Net income per share	$	0.74	$	0.77	$	.67	$	.69

	Six months ended
	June 30, 2011				June 30, 2010
	Diluted		Basic		Diluted		Basic
Consolidated operations
Income available to common stockholders	$	95,766	$	95,766	$	85,717	$	85,717
Average equivalent shares
Shares of common stock	66,933		66,933		67,603		67,603
Effect of dilutive stock based compensation
Stock options	2,963		—		2,451		—
Restricted stock	6		—		16		—
Total average equivalent shares	69,902		66,933		70,070		67,603
Net income per share	$	1.37	$	1.43	$	1.22	$	1.27