Fair Value Measurements at September 30, 2011
(In thousands)


Description	Total		Level 1		Level 2		Level 3
Cash equivalents	$	109,599	$	109,599	$	—	$	—
Marketable securities		31,365		31,365		—		—
Derivative contracts		84		—		84		—

Total	$	141,048	$	140,964	$	84	$	—

Fair Value Measurements at December 31, 2010
(In thousands)


Description	Total		Level 1		Level 2		Level 3
Cash equivalents	$	179,887	$	179,887	$	—	$	—
Derivative contracts		804		—		804		—

Total	$	180,691	$	179,887	$	804	$	—

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income, and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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