Consolidated Financial Statement Details - Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Income taxes—long-term	$ 258.6	$ 270.2
Deferred revenue—long-term	27.4	33.0
Other long-term liabilities	132.3	35.4
Total other long-term liabilities	$ 418.3	$ 338.6

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer.

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