REMEDIAL LIABILITIES (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	$ 131,992
Accretion	2,519
Changes in estimates recorded to statement of operations	373
Expenditures	(5,409)
Currency translation and other	816
Balance at end of year	130,291
Remedial Liabilities for Landfill Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	2,327
Accretion	54
Changes in estimates recorded to statement of operations	70
Expenditures	(61)
Currency translation and other	0
Balance at end of year	2,390
Remedial Liabilities for Inactive Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	63,613
Accretion	1,364
Changes in estimates recorded to statement of operations	(116)
Expenditures	(2,092)
Currency translation and other	52
Balance at end of year	62,821
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	66,052
Accretion	1,101
Changes in estimates recorded to statement of operations	419
Expenditures	(3,256)
Currency translation and other	764
Balance at end of year	$ 65,080