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	Jun. 30, 2012		Jun. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Noncurrent portion of benefit obligation	$ 22,074		$ 18,478
CDT Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total benefit obligation	21,461		18,231
Current portion of benefit obligation	475	[1]	489	[1]
Noncurrent portion of benefit obligation	20,986		17,742
CDT Anniversary Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total benefit obligation	457		550
Current portion of benefit obligation	67	[1]	57	[1]
Noncurrent portion of benefit obligation	390		493
CDT Early Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total benefit obligation	69		234
Current portion of benefit obligation	69	[1]	0	[1]
Noncurrent portion of benefit obligation	0		234
IXOS Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total benefit obligation	698		9
Current portion of benefit obligation	0	[1]	0	[1]
Noncurrent portion of benefit obligation	698		9
CDT Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total benefit obligation	22,685		19,024
Current portion of benefit obligation	611	[1]	546	[1]
Noncurrent portion of benefit obligation	$ 22,074		$ 18,478

[1] *The current portion of the benefit obligation has been included within "Accounts payable and accrued liabilities" within the Consolidated Balance Sheets.