Quarterly Financial Information

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information [Abstract]

(16) QUARTERLY FINANCIAL INFORMATION (unaudited)

The following table contains selected financial information from unaudited statements of income for each quarter of 2012 and 2011.


	Quarters Ended
	2012								2011
	Dec. 31		Sept. 30		June 30		Mar. 31		Dec. 31		Sept. 30		June 30		Mar. 31

Revenues	$	95,368	$	93,845	$	91,368	$	82,723	$	82,079	$	77,184	$	76,735	$	73,393
Gross profit		44,640		44,944		40,699		37,419		39,020		36,132		34,137		32,623
Income before income taxes		15,035		17,810		11,682		9,341		13,504		11,818		9,309		9,482
Net income		9,376		10,832		7,105		5,681		8,699		7,506		5,624		5,728
Earnings per diluted share		0.28		0.33		0.22		0.17		0.27		0.23		0.17		0.17

Shares used in computing diluted
earnings per share		33,421		32,986		32,769		32,530		32,031		32,960		33,848		33,720

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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