FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2013

Summary of Valuation of Investments and Financial Instruments Pricing Levels

The following table summarizes the valuation of our investments and financial instruments by the above pricing levels as of the valuation dates listed:


			June 30, 2013
	Total		(Level 1)		(Level 2)
Investments:
Money Market Mutual Funds	$	32,721	$	32,721	$	—
Commercial Paper		25,736		—		25,736
Corporate bonds and notes		32,442		—		32,442

		90,899		32,721		58,178
Deferred compensation plan assets		1,888		1,888		—

Total	$	92,787	$	34,609	$	58,178


			December 31, 2012
	Total		(Level 1)		(Level 2)
Investments:
Money Market Mutual Funds	$	29,816	$	29,816	$	—
Commercial Paper		5,493		—		5,493
Corporate bonds and notes		29,977		—		29,977

		65,286		29,816		35,470
Deferred compensation plan assets		2,687		2,687		—

Total	$	67,973	$	32,503	$	35,470

- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

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