Quarterly Financial Results (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information (Unaudited)

QUARTERLY FINANCIAL RESULTS (UNAUDITED)

Unaudited quarterly data for the years ended December 31, 2012 and 2011 are as follows:

	December 31,		September 30,		June 30,		March 31,
	2012		September 30, 2012		June 30, 2012		March 31, 2012
Revenues	$	277,563	$	272,783	$	276,594	$	257,606
Gross Profit	69,793		69,034		64,842		57,425
Operating income	37,366		43,193		40,928		33,446
Net income (loss) applicable to common shares	$	16,485	$	17,932	$	3,895	$	(7,690	)
Per basic common share(1):
Net income (loss) applicable to common shares	$	0.19	$	0.21	$	0.05	$	(0.09	)
Per diluted common share(1):
Net income (loss) applicable to common shares	$	0.14	$	0.21	$	0.05	$	(0.10	)

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(1) Per share computations include the impact of a 5% stock dividend paid on September 28, 2012. Quarterly basic and diluted net income per common share were computed independently for each quarter and do not necessarily total to the year to date basic and diluted net income per common share.

	December 31,		September 30,		June 30,		March 31,
	2011		September 30, 2011		June 30, 2011		March 31, 2011
Revenues	$	292,827	$	288,995	$	291,180	$	260,378
Gross Profit	64,057		61,132		60,107		55,201
Operating income	36,023		37,855		37,967		31,476
Net income (loss) applicable to common shares	$	7,797	$	17,549	$	30,301	$	19,373
Per basic common share(1):
Net income applicable to common shares	$	0.09	$	0.21	$	0.36	$	0.23
Per diluted common share(1):
Net income applicable to common shares	$	0.09	$	0.20	$	0.33	$	0.23

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(1) Per share computations include the impact of a 5% stock dividend paid on September 29, 2011. Quarterly basic and diluted net income per common share were computed independently for each quarter and do not necessarily total to the year to date basic and diluted net income per common share.