BALANCE SHEET DETAILS AND OTHER FINANCIAL INFORMATION - Other Accrued Liabilities - Short-term (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Taxes payable	$ 24.3	$ 39.1
Litigation related accruals	5.7	55.0
Other accrued liabilities	144.9	137.7
Business Combination, Contingent Consideration, Liability, Current	35.7
Loss Contingency, Accrual, Current		0.0
Total other accrued liabilities—short-term	$ 210.6	$ 231.8

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

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Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

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

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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. 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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