XML 76 R59.htm IDEA: XBRL DOCUMENT v3.20.4
Operations and Summary of Significant Accounting Policies - Warranty Reserves Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Minimum product warranty period 1 year  
Maximum product warranty period 4 years  
Warranty reserves included in other noncurrent liabilities $ 90.2 $ 60.9