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Pension Plans And Other Post Retirement Benefits (Schedule Of CDT Defined Benefit Plan And CDT Long-Term Employee Benefit Obligation) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]    
Noncurrent portion of benefit obligation $ 23,458 $ 22,074
CDT Defined Benefit Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Total benefit obligation 22,860 21,461
Current portion of benefit obligation 508 [1] 475 [1]
Noncurrent portion of benefit obligation 22,352 20,986
CDT Anniversary Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Total benefit obligation 475 457
Current portion of benefit obligation 88 [1] 67 [1]
Noncurrent portion of benefit obligation 387 390
CDT Early Retirement Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Total benefit obligation 43 69
Current portion of benefit obligation 43 [1] 69 [1]
Noncurrent portion of benefit obligation 0 0
IXOS Defined Benefit Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Total benefit obligation 719 698
Current portion of benefit obligation 0 [1] 0 [1]
Noncurrent portion of benefit obligation 719 698
CDT Pension Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Total benefit obligation 24,097 22,685
Current portion of benefit obligation 639 [1] 611 [1]
Noncurrent portion of benefit obligation $ 23,458 $ 22,074
[1] *The current portion of the benefit obligation has been included within "Accounts payable and accrued liabilities" in the Condensed Consolidated Balance Sheets.