Commitments and Contingencies - Schedule for aggregate minimum future contractual commitments (Details) $ in Millions	May 31, 2022 USD ($)
Royalty Advances [Abstract]
2020	$ 18.4
2021	7.3
2022	1.8
2023	0.5
2027	0.1
2026 and thereafter	0.1
Total commitments	28.2
MInimum Print Quantities [Abstract]
2020	2.4
2021	1.5
2022	0.1
2023	0.0
2027	0.0
2026 and thereafter	0.0
Total commitments	$ 4.0