Basis of Presentation and Summary of Significant Accounting Policies Leases, Impact of New Accounting Standard Adoption (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases, Initial Application Period Cumulative Effect Transition [Line Items]
Prepaid expenses and other current assets	$ 165,628	$ 151,102
Intangible assets, net	6,475,283	6,669,645
Other assets	286,391	247,519
Accrued expenses and other current liabilities	555,831	477,366
Other liabilities	$ 476,040	$ 305,435

[Line Items] for Leases, Initial Application Period Cumulative Effect Transition [Table]

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Amount of noncurrent assets classified as other.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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