v3.24.0.1
Industry Segments, Major Customers, Related Party Transactions and Geographic Information - Summary of Financial Information by Reportable Segment (Detail) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]    
Total assets $ 9,371.9 $ 11,685.4
Cash and cash equivalents 543.8 373.0
Deferred income tax assets 615.6 494.6
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total assets 7,933.9 9,595.3
Operating Segments [Member] | CCS [Member]    
Segment Reporting Information [Line Items]    
Total assets 3,608.2 4,263.8
Operating Segments [Member] | OWN [Member]    
Segment Reporting Information [Line Items]    
Total assets 993.8 1,166.8
Operating Segments [Member] | NICS [Member]    
Segment Reporting Information [Line Items]    
Total assets 1,271.5 1,338.1
Operating Segments [Member] | ANS [Member]    
Segment Reporting Information [Line Items]    
Total assets 1,946.7 2,632.6
Operating Segments [Member] | Corporate and Other [Member]    
Segment Reporting Information [Line Items]    
Total assets 113.7 194.0
Segment Reconciling Items [Member]    
Segment Reporting Information [Line Items]    
Cash and cash equivalents 543.8 373.0
Deferred income tax assets 615.6 494.5
Assets held for sale $ 278.6 $ 1,222.6