Segment Information (Textuals) (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Trade receivables, net	$ 588.8		$ 619.3
Deferred revenue	300.6		$ 320.5
Contract with Customer, Asset, Credit Loss Expense	3.8	$ 8.6
Deferred Revenue, Revenue Recognized	203.1
Revenue, Remaining Performance Obligation, Amount	$ 1,400.0

Amount of expense (reversal of expense) for expected credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

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Amount of revenue recognized that was previously reported as deferred or unearned revenue.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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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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