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Fair Value Measurements
3 Months Ended
Sep. 30, 2011
Fair Value Measurements [Abstract] 
FAIR VALUE MEASUREMENTS
3. FAIR VALUE MEASUREMENTS

Marketable securities measured at fair value at September 30, 2011 and June 30, 2011 totaled $9,608 and $10,881. These marketable securities are held in a rabbi trust for a non-qualified deferred compensation plan. The marketable securities are included in other assets on the condensed consolidated balance sheets and their fair values were derived using quoted market prices (Level 1 in the fair value hierarchy).