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Other-net
 12 Months Ended
Dec. 31, 2021
Other-net [Abstract]  
Other-net Other-net
Other-net is summarized for 2021, 2020, and 2019 as follows:
 (Income) Expense
(Thousands)202120202019
Metal consignment fees$9,305 $8,587 $9,247 
Amortization of intangible assets5,973 2,377 1,400 
Foreign currency loss (gain)1,573 (2,569)666 
Net (gain) loss on disposal of fixed assets(282)466 344 
Rental income— — (87)
Other items168 (398)213 
Total other-net$16,737 $8,463 $11,783