Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Warranty Reserve (Details)

v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Warranty Reserve (Details)
9 Months Ended
Sep. 30, 2021
Significant Accounting Policies [Line Items]  
Internationally warranty period 13 months
Standard assurance warranty period 1 year
Minimum  
Significant Accounting Policies [Line Items]  
Standard product warranty period 1 year
Maximum  
Significant Accounting Policies [Line Items]  
Standard product warranty period 5 years