Quarterly report pursuant to Section 13 or 15(d)

Product Warranty (Reconciliation Of Product Warranties) (Details)

v3.20.2
Product Warranty (Reconciliation Of Product Warranties) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Reconciliation of Product Warranty Accrual [Roll Forward]        
Balance at beginning of period $ 13,334 $ 13,186 $ 14,466 $ 13,186
Provision for warranty claims 525 645 1,430 3,140
Warranty claims (493) (440) (2,378) (2,899)
Other 175 (180) 23 (216)
Balance at end of period $ 13,541 $ 13,211 $ 13,541 $ 13,211