OTHER FINANCIAL INFORMATION - Items reported in accrued expenses (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
OTHER FINANCIAL INFORMATION
Deferred revenue	$ 160.9	$ 170.5
Accrued payroll and other employee compensation	145.4	133.6
Product warranty	43.2	44.9
Estimated Litigation Liability, Current	92.9	60.0
Lease Incentive, Payable, Current	425.3	395.3
Accrued Liabilities, Current	$ 867.7	$ 804.3

OTHER FINANCIAL INFORMATION [Abstract]

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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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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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This item represents an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease. 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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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 obligations incurred for employer-related costs classified as other, payable 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 through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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