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Pension Plans And Other Post Retirement Benefits (Schedule Of The Change In The Benefit Obligation Of CDT Defined Benefit Plan) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Compensation and Retirement Disclosure [Abstract]    
Benefit obligation-beginning of period $ 18,231 $ 15,507
Service cost 326 350
Interest cost 873 868
Benefits paid (441) (423)
Actuarial (gain) loss 5,179 (688)
Foreign exchange (gain) loss (2,707) 2,617
Benefit obligation-end of period 21,461 18,231
Less: current portion (475) (489)
Noncurrent portion of benefit obligation $ 20,986 $ 17,742