REMEDIAL LIABILITIES (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	$ 131,992
Liabilities assumed in acquisition	4
Accretion	3,785
Changes in estimates recorded to statement of operations	362
Expenditures	(7,761)
Currency translation and other	699
Balance at end of year	129,081
Remedial Liabilities for Landfill Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	2,327
Liabilities assumed in acquisition	0
Accretion	82
Changes in estimates recorded to statement of operations	71
Expenditures	(88)
Currency translation and other	0
Balance at end of year	2,392
Remedial Liabilities for Inactive Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	63,613
Liabilities assumed in acquisition	0
Accretion	2,049
Changes in estimates recorded to statement of operations	(448)
Expenditures	(2,957)
Currency translation and other	45
Balance at end of year	62,302
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	66,052
Liabilities assumed in acquisition	4
Accretion	1,654
Changes in estimates recorded to statement of operations	739
Expenditures	(4,716)
Currency translation and other	654
Balance at end of year	$ 64,387