Description of the Business and Summary of Significant Accounting Policies - Minimum Guarantees (Details) - Payment guarantee - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Guarantor Obligations [Line Items]
Amortization related to licenses	$ 81.0	$ 61.0	$ 69.0
Accrued liabilities	39.0	50.0
Other long-term liabilities	172.0	212.0
Total minimum guarantee obligations	$ 211.0	$ 262.0
Weighted average remaining term (in years)	4 years 8 months 12 days	4 years 2 months 12 days
Expected future payments, 2020	$ 39.0	$ 50.0
Expected future payments, 2021	47.0
Expected future payments, 2022	42.0
Expected future payments, 2023	27.0
Expected future payments, 2024	28.0
Expected future payments, After 2024	$ 28.0

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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