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Commitments and Contingencies (Details) - Schedule for aggregate minimum future contractual commitments
$ in Millions
May 31, 2019
USD ($)
Royalty Advances [Abstract]  
2020 $ 6.7
2021 2.6
2022 2.1
2023 0.2
2024 and thereafter 0.0
Total commitments 11.6
MInimum Print Quantities [Abstract]  
2020 49.2
2021 1.7
2022 1.4
2023 1.4
2024 and thereafter 0.0
Total commitments $ 53.7