Supplemental Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2011

Supplemental Selected Quarterly Financial Data [Abstract]

Supplemental Selected Quarterly Financial Data

15.     Supplemental Selected Quarterly Financial Data (Unaudited)

	Quarter Ended
	First Quarter		Second Quarter		Third Quarter			Fourth Quarter
	(In thousands, except per share amounts)
Fiscal Year 2011
Revenues	$	202,651	$	230,822	$	261,193		$	263,514
Operating income		27,948		31,596		39,179			34,041
Net income		15,854		19,280		22,997			21,886
Net income per share:
Basic		0.18		0.21		0.25			0.24
Diluted		0.16		0.19		0.23			0.22
Fiscal Year 2010
Revenues	$	160,798	$	181,352	$	179,278		$	194,526
Operating income		13,709		19,896		19,532	(1)		24,867
Net income		7,782		10,840		8,234			14,770
Net income per share:
Basic		0.09		0.12		0.09			0.16
Diluted		0.09		0.12		0.09			0.15

(1) Includes $2.2 million of income reflecting proceeds from the settlement of a lawsuit.