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Revenue - Contract Balances (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Revenue
Capitalized contract costs	$ 0.0	$ 0.0
Accounts receivable
Revenue
Receivables from contracts with customers	$ 102.9	$ 104.7

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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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 to consideration is unconditional.

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