EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2012

EARNINGS PER SHARE

Information related to the calculation of earnings per share

	Three months ended
	June 30, 2012				June 30, 2011
	Diluted		Basic		Diluted		Basic
Consolidated operations
Income available to common shareholders	$	41,686	$	41,686	$	51,289	$	51,289
Average equivalent shares
Shares of common stock	66,580		66,580		66,939		66,939
Effect of dilutive stock based compensation
Stock options	2,174		—		2,495		—
Restricted stock	4		—		4		—
Total average equivalent shares	68,758		66,580		69,438		66,939
Net income per share	$	0.61	$	0.63	$	0.74	$	0.77

	Six months ended
	June 30, 2012				June 30, 2011
	Diluted		Basic		Diluted		Basic
Consolidated operations
Income available to common stockholders	$	85,495	$	85,495	$	95,766	$	95,766
Average equivalent shares
Shares of common stock	66,388		66,388		66,933		66,933
Effect of dilutive stock based compensation
Stock options	2,543		—		2,963		—
Restricted stock	9		—		6		—
Total average equivalent shares	68,940		66,388		69,902		66,933
Net income per share	$	1.24	$	1.29	$	1.37	$	1.43