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Operating Lease, Property, Plant and Equipment, Impairment Loss

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Operating Lease, Right-Of-Use Asset, Impairment Loss

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of loss from impairment of right-of-use asset from operating lease.

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Narrative (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020 USD ($) property	Jun. 30, 2019 USD ($)	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of long-term strategic investments	$ 5.5
Lease asset impairment	1.1
Lease property, plant and equipment impairment	0.8
Lease right of use asset impairment	$ 0.3
Number of abandoned leased properties \| property	1
Accounts Receivable \| Licensee Concentration Risk \| Five Largest Licensees
Concentration Risk [Line Items]
Accounts receivable percentage	66.00%
Accounts Receivable \| Licensee Concentration Risk \| Seven Largest Licensees
Concentration Risk [Line Items]
Accounts receivable percentage			73.00%
Technicolor
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability		$ 20.5