Annual report pursuant to Section 13 and 15(d)

ACCRUAL FOR TERMITE CONTRACTS (Details)

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ACCRUAL FOR TERMITE CONTRACTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Reconciliation of changes in the accrual for termite contracts    
Beginning balance $ 4,800 $ 5,085
Current year provision 3,611 3,190
Settlements, claims, and expenditures (3,526) (3,475)
Ending balance 4,885 4,800
Accrual for termite contracts, portion included in other current liabilities 2,900 2,700
Accrual for termite contracts, portion included in long-term accrued liabilities $ 2,000 $ 2,100