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SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES (Tables)
12 Months Ended
Dec. 31, 2016
SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES [Abstract]  
Schedule of Changes in Allowance
Changes in this allowance for 2016, 2015 and 2014 were as follows:

  
Years Ended December 31,
 
  
2016
  
2015
  
2014
 
Balance at beginning of year
 
$
9,364
  
$
8,713
  
$
8,798
 
Charged to costs and expenses
  
180
   
2,014
   
2,365
 
Charged to other accounts
  
(17
)2
  
1,255
2 
  
1,140
2 
Deductions
  
(1,367
)1
  
(2,618
)1
  
(3,590
)1
Balance at end of year
 
$
8,160
  
$
9,364
  
$
8,713
 

(1)
Uncollectible accounts written off, net of recoveries
(2)
Includes allowance for doubtful accounts from acquisitions and divestiture
Principal Estimated Useful Lives Used in Determining Depreciation
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 improvements
Shorter of estimated useful life or related lease term