Revenue - Contract Balances and Transaction Price Allocated to the Remaining Performance Obligation (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Accounts Receivable
Accounts Receivables - Opening	$ 906.4	$ 737.7
Accounts Receivables - Closing	859.8	706.9
Increase (Decrease) in Accounts and Other Receivables	46.6	30.8
Current portion of deferred revenues
Current portion of deferred revenues - Opening	1,030.4	707.3
Current portion of deferred revenues - Closing	1,080.6	769.0
(Increase)/decrease	(50.2)	(61.7)
Non-current portion of deferred revenues
Non-current portion of deferred revenues - Opening	54.2	41.4
Non-current portion of deferred revenues - Closing	54.7	45.4
(Increase)/decrease	(0.5)	(4.0)
Contract with Customer, Liability, Revenue Recognized	$ 354.0	$ 231.3

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It represents Amount of increase (decrease) in Current obligation to transfer good or service to customer for which consideration has been received or is receivable.

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No definition available.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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

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

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.

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