Selected Quarterly Information (Tables)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Information [Abstract]

Summary Of Selected Quarterly Information

	2011
(in thousands, except per share amounts)	1st Quarter		2nd Quarter		3rd Quarter			4th Quarter
Revenue	$	102,360	$	103,518	$	95,503		$	115,294
Gross profit		62,344		63,121		53,692			72,720
Income (loss) from operations		5,564		3,234		(2,008	)		3,704
Income (loss) before provision (benefit) for income taxes		6,694		3,331		(2,451	)		3,239
Net income (loss)		4,731		2,273		4,959			(1,855	)
Net earnings (loss) per share, basic	$	0.13	$	0.06	$	0.13		$	(0.05	)
Net earnings (loss) per share, diluted	$	0.12	$	0.06	$	0.13		$	(0.05	)

	2010
(in thousands, except per share amounts)	1st Quarter		2nd Quarter			3rd Quarter		4th Quarter
Revenue	$	75,084	$	82,246		$	90,016	$	89,253
Gross profit		48,648		50,986			55,026		53,205
Income (loss) from operations		8,562		(9,140	)		1,943		(3,945	)
Income (loss) before provision (benefit) for income taxes		6,294		(11,510	)		4,208		(5,189	)
Net income (loss)		3,851		(8,188	)		3,139		(4,693	)
Net earnings (loss) per share, basic and diluted	$	0.10	$	(0.22	)	$	0.08	$	(0.13	)