XML 49 R39.htm IDEA: XBRL DOCUMENT v3.21.1
Basis of Presentation and Principles of Consolidation - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Dec. 31, 2020
Mar. 31, 2021
Basis Of Presentation And Principles Of Consolidation [Line Items]    
Business combination purchase price, excluding expected tax benefits, net of cash acquired   $ (5.2)
LARSON [Member]    
Basis Of Presentation And Principles Of Consolidation [Line Items]    
Business acquisition, percentage of outstanding equity interests acquired 100.00%  
Business combination purchase price, excluding expected tax benefits, net of cash acquired $ 717.5  
Working capital adjustments   $ 2.3