XML 44 R34.htm IDEA: XBRL DOCUMENT v3.23.3
Supplemental balance sheet and cash flow information (inventories and supplies) (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Inventories and supplies      
Finished and semi-finished goods $ 40,453   $ 40,715
Raw materials and supplies 18,508   17,952
Reserve for excess and obsolete items (9,702) $ (5,523) (6,400)
Inventories and supplies, net of reserve 49,259   $ 52,267
Changes in reserve for excess and obsolete items      
Balance, beginning of year 6,400 5,132  
Balance, end of period 9,702 5,523  
Reserves for excess and obsolete items      
Changes in reserve for excess and obsolete items      
Amounts charged to expense 3,859 2,552  
Write-offs and other $ (557) $ (2,161)