Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Textuals (Details)

v2.4.0.6
Fair Value Measurements - Textuals (Details) (USD $)
3 Months Ended
Sep. 30, 2012
Time Deposits
Maximum
Sep. 30, 2012
Fair Value, Measurements, Recurring
Sep. 30, 2012
Fair Value, Inputs, Level 1
Fair Value, Measurements, Recurring
Jun. 30, 2012
Fair Value, Inputs, Level 1
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash and cash equivalents     $ 37,939,000 $ 41,215,000
Cash   19,300,000    
Cash equivalents   $ 18,600,000    
Cash Equivalent, Maturity Period 90 days