Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011



	Fair Value Measurements at Reporting Date Using
	Total		Level 1		Level 2		Level 3
Assets (in thousands)
As of December 31, 2011
Money market funds, included in cash and cash equivalents	$	20,001	$	—	$	20,001	$	—
Mutual funds⁽¹⁾	21,534		21,534		—		—
Money market funds⁽¹⁾	2,238		—		2,238		—
	$	43,773	$	21,534	$	22,239	$	—
As of December 31, 2010
Money market funds, included in cash and cash equivalents	$	10,001	$	—	$	10,001	$	—
Mutual funds⁽¹⁾	20,917		20,917		—		—
Money market funds⁽¹⁾	2,448		—		2,448		—
	$	33,366	$	20,917	$	12,449	$	—

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⁽¹⁾	Included in Investments, employee benefit plans, fair value on consolidated balance sheets.

- 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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