| Component: (Network and Table) | |
|---|---|
| Network | 177 - Disclosure - Pensions and Other Postretirement Benefits (Details 8) (http://www.ccur.com/role/PensionsAndOtherPostretirementBenefitsDetails8) |
| Table | Schedule of Defined Benefit Plans Disclosures [Table] |
| Reporting Entity [Axis] | 0000749038 (http://www.sec.gov/CIK) |
| Class of Stock [Axis] | Class of Stock [Domain] |
| Defined Benefit Plan Disclosure [Line Items] | Period [Axis] |
|---|---|
2016-06-30 | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
2022 - 2026 |