XML 58 R46.htm IDEA: XBRL DOCUMENT v3.21.1
Commitments and Contingencies - Lease Guarantee (Details) - Performance Guarantee - Discontinued Operations, Disposed of by Sale - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2019
Mar. 31, 2021
Jun. 30, 2020
Sunset and INVNT Lease Guarantees      
Loss Contingencies [Line Items]      
Guarantee obligations, current carrying amount   $ 2.0 $ 2.2
Maximum lease guarantee obligation   $ 12.4  
Non-Operating Income (Expense), Net | Time Inc. UK Ltd      
Loss Contingencies [Line Items]      
Gain recognized from release of guarantor obligations $ 8.0