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Pension Plans And Other Post Retirement Benefits (Schedule Of Weighted-Average Key Assumptions Used For CDT Pension Plan) (Details) (CDT Pension Plan [Member]) | 3 Months Ended | 12 Months Ended
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Sep. 30, 2013 | Jun. 30, 2013
Defined Benefit Plan Disclosure [Line Items] |  |
Salary increases | 2.50% | 2.50%
Pension increases | 2.00% | 2.00%
Discount rate | 3.50% | 3.50%
To Age 30 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Employee fluctuation rate | 1.00% | 1.00%
To Age 35 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Employee fluctuation rate | 0.50% | 0.50%
To Age 40 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Employee fluctuation rate | 0.00% | 0.00%
To Age 45 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Employee fluctuation rate | 0.50% | 0.50%
To Age 50 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Employee fluctuation rate | 0.50% | 0.50%
From Age 51 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Employee fluctuation rate | 1.00% | 1.00%

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- Definition Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Pension Increase + References No definition available. + Details
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- Definition Employee Fluctuation Rate + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Details
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