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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
3 Months Ended 12 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]    
Benefit obligation-beginning of period $ 23,871 $ 21,461
Service cost 113 457
Interest cost 217 888
Benefits paid (123) (466)
Actuarial (gain) loss (83) 278
Foreign exchange (gain) loss 878 1,253
Benefit obligation-end of period 24,873 23,871
Less: current portion (577) (535)
Noncurrent portion of benefit obligation $ 24,296 $ 23,336