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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II
 
Simpson Manufacturing Co., Inc. and Subsidiaries
 
VALUATION AND QUALIFYING ACCOUNTS
for the years ended December 31, 2020, 2019 and 2018
 
  Additions  
  ChargedCharged  
 Balance atto Coststo Other Balance
(in thousands)BeginningandAccounts — at End
Classificationof YearExpensesWrite-offsDeductionsof Year
Year to date December 31, 2020     
Allowance for doubtful accounts$1,935 $(98)$(273)$— $2,110 
Allowance for sales discounts4,748 (182)— — 4,566 
Allowance for deferred tax assets11,617 1,166 (1,467)11,316 
Year to date December 31, 2019     
Allowance for doubtful accounts1,364 977 406 — 1,935 
Allowance for sales discounts3,317 1,431 — — 4,748 
Allowance for deferred tax assets13,254 1,423 — 3,060 11,617 
Year to date December 31, 2018     
Allowance for doubtful accounts996 569 201 — 1,364 
Allowance for sales discounts2,956 361 — — 3,317 
Allowance for deferred tax assets11,114 2,477 — 337 13,254