Contract Balances (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Contract Balances

Contract balances at December 31 are set forth in the following table:

Balance Sheet Account	2022		2021		Change
Unbilled receivables	$	91.5	$	81.9	$	9.6
Contract liabilities - current	(1,370.7)		(1,106.3)		(264.4)
Deferred revenue - non-current	(111.5)		(69.9)		(41.6)
Net contract assets/(liabilities)	$	(1,390.7)	$	(1,094.3)	$	(296.4)