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Revenue - Change in Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Contract assets
Accounts receivable, net of allowances	$ 769.7	$ 278.4
Unbilled contract revenue	408.6	133.7
Contract liabilities
Customer advances and billings in excess of contract revenue	469.3	170.6
Long-term deferred revenue	$ 0.1	$ 0.3

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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.

+ References

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, 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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