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Revenue - Change in Contract Assets and Liabilities (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($)
Contract assets |
Accounts receivable, net of allowances, beginning | $ 236.3
Change in accounts receivable | 42.1
Accounts receivable, net of allowances, ending | 278.4
Unbilled contract revenue, beginning | 93.5
Change in unbilled contract revenue | 40.2
Unbilled contract revenue, ending | $ 133.7
Change in accounts receivable (as a percentage) | 17.80%
Change in unbilled contract revenue (as a percentage) | 43.00%
Contract liabilities |
Customer advances and billings in excess of contract revenue, beginning | $ 148.5
Change in customer advances and billings in excess of contract revenue | 22.1
Customer advances and billings in excess of contract revenue, ending | 170.6
Long term deferred revenue, beginning | 0.4
Change in long-term deferred revenue | (0.1)
Long-term deferred revenue, ending | $ 0.3
Change in customer advances and billings in excess of contract revenue (as a percentage) | 14.90%
Change in long-term deferred revenue (as a percentage) | (25.00%)

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