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Pension Plans and Other Post Retirement Benefits - Schedule of Weighted-Average Key Assumptions Used for Pension Plans (Details) - Pension Plan | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
CDT |  |
Assumptions: |  |
Salary increases | 3.50% | 2.00%
Pension increases | 2.00% | 1.75%
Discount rate | 2.00% | 2.00%
Normal retirement age | 65 years | 65 years
CDT | to age 20 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
CDT | to age 25 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
CDT | to age 30 |  |
Assumptions: |  |
Employee fluctuation rate | 1.00% | 1.00%
CDT | to age 35 |  |
Assumptions: |  |
Employee fluctuation rate | 0.50% | 0.50%
CDT | to age 40 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
CDT | to age 45 |  |
Assumptions: |  |
Employee fluctuation rate | 0.50% | 0.50%
CDT | to age 50 |  |
Assumptions: |  |
Employee fluctuation rate | 0.50% | 0.50%
CDT | from age 51 |  |
Assumptions: |  |
Employee fluctuation rate | 1.00% | 1.00%
GXS GER |  |
Assumptions: |  |
Salary increases | 3.50% | 2.00%
Pension increases | 2.00% | 2.00%
Discount rate | 2.00% | 2.00%
GXS GER | to age 20 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | to age 25 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | to age 30 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | to age 35 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | to age 40 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | to age 45 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | to age 50 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | from age 51 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS GER | Minimum |  |
Assumptions: |  |
Normal retirement age | 65 years | 65 years
GXS GER | Maximum |  |
Assumptions: |  |
Normal retirement age | 67 years | 67 years
GXS PHP |  |
Assumptions: |  |
Salary increases | 6.50% | 6.20%
Discount rate | 7.25% | 5.00%
Normal retirement age | 60 years | 60 years
GXS PHP | to age 20 |  |
Assumptions: |  |
Employee fluctuation rate | 12.19% | 12.19%
GXS PHP | to age 25 |  |
Assumptions: |  |
Employee fluctuation rate | 16.58% | 16.58%
GXS PHP | to age 30 |  |
Assumptions: |  |
Employee fluctuation rate | 13.97% | 13.97%
GXS PHP | to age 35 |  |
Assumptions: |  |
Employee fluctuation rate | 10.77% | 10.77%
GXS PHP | to age 40 |  |
Assumptions: |  |
Employee fluctuation rate | 7.39% | 7.39%
GXS PHP | to age 45 |  |
Assumptions: |  |
Employee fluctuation rate | 3.28% | 3.28%
GXS PHP | to age 50 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%
GXS PHP | from age 51 |  |
Assumptions: |  |
Employee fluctuation rate | 0.00% | 0.00%

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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 Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Retirement Age + References No definition available. + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit 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=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit 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)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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