REMEDIAL LIABILITIES (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	$ 155,121
Accretion	2,892
Changes in estimates recorded to statement of income	802
Expenditures	(8,466)
Currency translation and other	(1,572)
Balance at end of year	148,777
Remedial Liabilities for Landfill Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	5,420
Accretion	126
Changes in estimates recorded to statement of income	(122)
Expenditures	(80)
Currency translation and other	(185)
Balance at end of year	5,159
Remedial Liabilities for Inactive Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	68,528
Accretion	1,447
Changes in estimates recorded to statement of income	51
Expenditures	(2,374)
Currency translation and other	(55)
Balance at end of year	67,597
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	81,173
Accretion	1,319
Changes in estimates recorded to statement of income	873
Expenditures	(6,012)
Currency translation and other	(1,332)
Balance at end of year	$ 76,021