XML 78 R68.htm IDEA: XBRL DOCUMENT v3.21.2
Restructuring and Other Charges - Reconciliation of Restructuring Liability (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]        
Beginning Balance     $ 7.6 $ 6.8
Provision $ 3.6 $ 1.6 11.5 16.5
Cash Expenditures [1]     (12.7) (12.8)
Ending Balance 6.4 10.5 6.4 10.5
Workforce Reduction Costs [Member]        
Restructuring Cost and Reserve [Line Items]        
Beginning Balance     6.9 6.7
Provision     9.6 16.0
Cash Expenditures [1]     (11.2) (12.2)
Ending Balance 5.3 $ 10.5 5.3 10.5
Other [Member]        
Restructuring Cost and Reserve [Line Items]        
Beginning Balance     0.7 0.1
Provision     1.9 0.5
Cash Expenditures [1]     (1.5) $ (0.6)
Ending Balance $ 1.1   $ 1.1  
[1] Cash expenditures primarily relate to severance charges.