REMEDIAL LIABILITIES (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	$ 131,992
Accretion	1,247
Changes in estimates recorded to statement of operations	320
Expenditures	(3,015)
Currency translation and other	835
Balance at end of year	131,379
Remedial Liabilities for Landfill Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	2,327
Accretion	26
Changes in estimates recorded to statement of operations	71
Expenditures	(26)
Currency translation and other	0
Balance at end of year	2,398
Remedial Liabilities for Inactive Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	63,613
Accretion	678
Changes in estimates recorded to statement of operations	(101)
Expenditures	(956)
Currency translation and other	51
Balance at end of year	63,285
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	66,052
Accretion	543
Changes in estimates recorded to statement of operations	350
Expenditures	(2,033)
Currency translation and other	784
Balance at end of year	$ 65,696