Quarterly Operating Results-(Unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Operating Results

Quarterly results for the years ended December 31, 2013 and 2012 were as follows:

	Three Months Ended
	March 31		June 30		September 30		December 31
2013
Revenues	$	147,657	$	153,744	$	201,477	$	164,520
Gross profit		42,384		39,333		62,759		48,519
Net income		17,577		16,307		30,148		20,854
Earnings per share:
Basic	$	0.76	$	0.71	$	1.31	$	0.90
Diluted	$	0.76	$	0.71	$	1.31	$	0.90
2012
Revenues	$	163,166	$	177,614	$	151,134	$	153,622
Gross profit		63,464		64,253		50,150		45,638
Net income		30,291		31,917		23,898		19,827
Earnings per share:
Basic	$	1.31	$	1.38	$	1.04	$	0.86
Diluted	$	1.31	$	1.38	$	1.04	$	0.86