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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair value information related to assets


			Fair Value Measurements at December 31, 2012 Using
Description	December 31, 2012		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobserved Inputs (Level 3)
	(in thousands)
Money market funds	$	10,177	$	10,177	$	—	$	—
Other mutual funds		1,239		1,239		—		—

Total	$	11,416	$	11,416	$	—	$	—


			Fair Value Measurements at December 31, 2011 Using
Description	December 31, 2011		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobserved Inputs (Level 3)
	(in thousands)
Money market funds	$	20,862	$	20,862	$	—	$	—
Other mutual funds		1,373		1,373		—		—

Total	$	22,235	$	22,235	$	—	$	—

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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