XML 48 R33.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories - Summary of Inventories (Detail) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 15.8 $ 14.1
Work in process 1.8 1.5
Finished goods 4.4 1.7
Total inventories $ 22.0 $ 17.3