XML 35 R25.htm IDEA: XBRL DOCUMENT v3.21.1
Additional Financial Information Disclosures (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Changes in warranty and after-sale costs reserve    
Balance at beginning of period $ 11,617 $ 5,583
Net additions charged to earnings 1,420 1,161
Costs incurred (579) (763)
Balance at end of period $ 12,458 $ 5,981