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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Percent of total revenue subject to subsequent government audit of direct and indirect costs 94.00% 94.40%
Material adjustment for audits not completed on revenue recognition Management does not anticipate any material adjustment to the consolidated financial statements in subsequent periods for audits not yet started or completed.  
Convertible senior subordinated notes outstanding $ 300.0  
Convertible senior subordinated notes, stated interest rate 2.125%  
Amount of tax expense for changes in the fair value of interest rate swap agreements 2.4  
Accumulated other comprehensive loss related to foreign currency translation adjustments 5.2 (8.1)
Accumulated other comprehensive loss related to fair value of interest rate swaps (4.7) (1.1)
Accumulated other comprehensive loss related to unrecognized post-retirement medical plan costs $ (0.9) $ (0.7)
Warrants
   
Exercise price of shares issued under warrants $ 68.31  
Number of shares called by warrants 5.5  
Minimum
   
Estimated useful life 3 years  
Maximum
   
Estimated useful life 8 years