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Accrued Expenses and Other Liabilities - Schedule of Other Liabilities (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Accrued Liabilities and Other Liabilities [Abstract]          
Finance Lease, Liability, Noncurrent   $ 3.6 $ 5.5    
Total   20.6 32.8    
Operating Lease, Liability   26.1      
Finance Lease, Liability, Noncurrent   $ 3.6 $ 5.5    
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]   Total Total    
Total impairment charges   $ 4.0 $ 7.6 $ 0.0  
Santa Clara California          
Accrued Liabilities and Other Liabilities [Abstract]          
Operating Lease, Liability         $ 4.0
Total impairment charges $ 0.8   2.2    
Other liabilities          
Accrued Liabilities and Other Liabilities [Abstract]          
Deferred compensation, including defined benefit plans   13.9 20.5    
Unrecognized tax benefits   2.0 1.5    
Restructuring and exit costs   0.0 0.2    
Other Sundry Liabilities, Noncurrent   1.1 5.1    
Deferred compensation, including defined benefit plans   13.9 20.5    
Unrecognized tax benefits   2.0 1.5    
Restructuring and exit costs   0.0 0.2    
Other Sundry Liabilities, Noncurrent   $ 1.1 $ 5.1