REMEDIAL LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	$ 155,121
Accretion	1,441
Changes in estimates recorded to statement of income	409
Expenditures	(5,339)
Currency translation and other	(1,887)
Balance at end of year	149,745
Remedial Liabilities for Landfill Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	5,420
Accretion	63
Changes in estimates recorded to statement of income	(124)
Expenditures	(16)
Currency translation and other	(220)
Balance at end of year	5,123
Remedial Liabilities for Inactive Sites
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	68,528
Accretion	718
Changes in estimates recorded to statement of income	27
Expenditures	(1,045)
Currency translation and other	(92)
Balance at end of year	68,136
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of year	81,173
Accretion	660
Changes in estimates recorded to statement of income	506
Expenditures	(4,278)
Currency translation and other	(1,575)
Balance at end of year	$ 76,486