| Component: (Network and Table) | |
|---|---|
| Network | 2412403 - Disclosure - Profit-Sharing, Pension, and Other Postretirement Benefit Plans (Details) (http://cambiumlearning.com/role/ProfitSharingPensionAndOtherPostretirementBenefitPlansDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001466815 (http://www.sec.gov/CIK) |
| Compensation and Retirement Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | |
Compensation and Retirement Disclosure [Abstract] | ||
Interest cost | ||
Recognized net actuarial (gain) loss | (690,000) | (925,000) |
Total recognized in net pension cost and other comprehensive income | ( | ( |