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Goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Goodwill [Roll Forward]      
Goodwill, balance at the beginning of the period $ 202,406 $ 195,132 $ 198,022
Translation adjustment (3,029) (2,218) 1,168
Goodwill acquired   9,492  
Goodwill adjustment (3,519)   (4,058)
Goodwill, balance at the end of the period 195,858 202,406 195,132
Vegetation Management      
Goodwill [Roll Forward]      
Goodwill, balance at the beginning of the period 132,963 124,981 126,894
Translation adjustment (1,882) (1,510) 132
Goodwill acquired   9,492  
Goodwill adjustment (3,519)   (2,045)
Goodwill, balance at the end of the period 127,562 132,963 124,981
Industrial Equipment      
Goodwill [Roll Forward]      
Goodwill, balance at the beginning of the period 69,443 70,151 71,128
Translation adjustment (1,147) (708) 1,036
Goodwill acquired   0  
Goodwill adjustment 0   (2,013)
Goodwill, balance at the end of the period $ 68,296 $ 69,443 $ 70,151