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SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES (Tables)
12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Changes in Allowance
Changes in this allowance for 2021, 2020 and 2019 were as follows (in thousands):
 Years Ended December 31, 
 202120202019 
Balance at beginning of year$8,628 $8,929 $10,126  
Charged to costs and expenses67 1,194 139  
Charged to other accounts12 
(1)
21 
(1)
79 
(1)
Deductions(948)
(2)
(1,516)
(2)
(1,415)
(2)
Balance at end of year$7,759  $8,628  $8,929  
(1) Primarily due to translation adjustments
(2) Uncollectible accounts written off, net of recoveries
Schedule of Principal Estimated Useful Lives of Property and Equipment
The principal estimated useful lives used in determining depreciation are as follows:
Buildings
20-39 years
Building improvements
10-20 years
Furniture, fixtures and equipment
3-20 years
Leasehold improvementsShorter of estimated useful life or related lease term