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Severance and Other Charges (Credits), net (Tables)
12 Months Ended
Dec. 31, 2020
Restructuring and Related Activities [Abstract]  
Summary of Severance and Other Charges (Credits), net Our severance and other charges (credits), net are summarized below (in thousands):
Year Ended December 31,
202020192018
Severance and other costs$12,284 $9,744 $4,552 
Fixed asset impairments and retirements15,664 32,916 — 
Inventory impairments367 4,471 — 
Intangible asset impairments4,708 3,299 — 
Accounts receivable write-off (recovery)— — (4,862)
$33,023 $50,430 $(310)
Reconciliation of Employee Separation Liability Below is a reconciliation of our employee separation liability balance (in thousands):
Tubular Running ServicesTubularsCementing EquipmentCorporateTotal
Balance at December 31, 2019$2,000 $19 $1,632 $2,186 $5,837 
Additions for costs expensed6,621 553 1,152 3,958 12,284 
Severance and other payments(7,781)(175)(1,827)(4,448)(14,231)
Other adjustments(586)— (21)(617)(1,224)
Balance at December 31, 2020$254 $397 $936 $1,079 $2,666