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Revenue - Change in Contract Assets and Liabilities (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2022 USD ($)
Contract assets |
Beginning balance accounts receivable, net of allowances | $ 236.3
Change in accounts receivable, net of allowances | 42.9
Ending balance accounts receivable, net of allowances | 279.2
Beginning balance unbilled contract revenue | 93.5
Change in unbilled contract revenue | 36.6
Ending balance unbilled contract revenue | $ 130.1
Change in accounts receivable, net of allowances (as a percentage) | 18.20%
Change in unbilled contract revenue, net of allowances (as a percentage) | 39.10%
Contract liabilities |
Beginning balance customer advances and billings in excess of contract revenue | $ 148.5
Change in customer advances and billings in excess of contract revenue | 56.9
Ending balance customer advances and billings in excess of contract revenue | 205.4
Beginning balance long-term deferred revenue | 0.4
Change in long-term deferred revenue | (0.3)
Ending balance long-term deferred revenue | $ 0.1
Change in customer advances and billings in excess of contract revenue (as a percentage) | 38.30%
Change in long-term deferred revenue (as a percentage) | (75.00%)

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