Quarterly Information (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Quarterly Information

	Three Months Ended
	March 31		June 30		September 30		December 31
2012
Revenue	$	106,394	$	104,407	$	114,341	$	124,716
Gross profit		58,946		41,202		60,501		57,273
Net income		17,807		9,963		15,787		13,374
Net income per weighted average common share
Basic	$	0.65	$	0.38	$	0.60	$	0.51
Diluted	$	0.64	$	0.37	$	0.59	$	0.50
Dividends per common share	$	0.10	$	0.10	$	0.10	$	0.10
2011
Revenue	$	100,869	$	95,737	$	105,563	$	120,141
Gross profit		55,190		34,712		56,175		55,852
Net income		16,247		7,584		15,351		14,109
Net income per weighted average common share
Basic	$	0.60	$	0.28	$	0.56	$	0.52
Diluted	$	0.59	$	0.27	$	0.55	$	0.51
Dividends per common share	$	0.10	$	0.10	$	0.10	$	0.10