EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2012

Calculation of Basic and Diluted Weighted Average Shares Outstanding Earnings Per Share

The following table sets forth the calculation of basic and diluted weighted average shares outstanding and earnings per share for the indicated periods.

	Year Ended December 31,
	2012			2011			2010
Income (numerator):
Basic:
Net income	$	149,426		$	194,332		$	96,429
Net income attributable to participating securities		(2,984	)		(3,670	)		(1,559	)
Net income attributable to common stock – basic	$	146,442		$	190,662		$	94,870
Diluted:
Net income	$	149,426		$	194,332		$	96,429
Net income attributable to participating securities		(2,982	)		(3,667	)		(1,558	)
Net income attributable to common stock – diluted	$	146,444		$	190,665		$	94,871
Weighted average shares (denominator):
Weighted average shares – basic		48,319			47,988			47,681
Diluted effect of stock options		42			42			25
Weighted average shares – diluted		48,361			48,030			47,706
Basic income per common share	$	3.03		$	3.97		$	1.99
Diluted income per common share	$	3.03		$	3.97		$	1.99