v3.24.1.1.u2
DISCONTINUED OPERATIONS - Significant Classes of Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Current assets:    
Total current assets $ 74.9 $ 69.1
Current liabilities:    
Total current liabilities 51.2 52.5
Discontinued operations, held-for-sale | Enabling Services segment disposal    
Current assets:    
Cash and cash equivalents 0.0 0.0
Accounts receivable and unbilled services, net 66.6 60.4
Prepaid expenses and other 8.3 8.7
Total current assets 74.9 69.1
Property, plant and equipment, net 43.2 40.6
Goodwill, net 252.5 276.5
Intangible assets, net 42.6 43.1
Other assets, net 6.8 8.6
Total assets of discontinued operations 420.0 437.9
Current liabilities:    
Accounts payable 4.7 4.5
Accrued expenses and other current liabilities 12.3 17.3
Unearned revenue 31.9 28.4
Short-term operating lease liabilities 2.3 2.3
Total current liabilities 51.2 52.5
Operating lease liabilities 3.1 3.7
Other liabilities 28.4 27.9
Total liabilities of discontinued operations $ 82.7 $ 84.1