Annual report pursuant to Section 13 and 15(d)

ACCRUAL FOR TERMITE CONTRACTS (Details)

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ACCRUAL FOR TERMITE CONTRACTS (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Reconciliation of changes in the accrual for termite contracts    
Balance at the beginning of the period $ 10,300,000 $ 8,925,000
Current year provision 2,856,000 5,619,000
Settlements, claims, and expenditures (4,856,000) (4,244,000)
Balance at the end of the period 8,300,000 10,300,000
Accrual for termite contracts, portion included in other current liabilities 3,300,000 3,700,000
Accrual for termite contracts, portion included in long-term accrued liabilities $ 5,000,000 $ 6,600,000