COMMITMENTS AND CONTINGENCIES - Narrative (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Pasco Sanitary Landfill Superfund Site
Commitments and Contingencies Disclosure [Line Items]
Environmental liabilities	$ 1,185
Period of time over which remdiation costs are expected to be incurred	P60Y
Valleycrest Landfill Site
Commitments and Contingencies Disclosure [Line Items]
Environmental liabilities	2,382
Period of time over which remdiation costs are expected to be incurred	P30Y
Jeffersonville, Indiana Operating Lease
Commitments and Contingencies Disclosure [Line Items]
Operating Leases Future Annual Payments Due	$ 1,400
Operating Lease Term in Years	7
Operating Lease Minimum Term In Years Before Cancellation Option	5