PROPERTY, PLANT AND EQUIPMENT (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	$ 824,532	$ 681,998
Less: accumulated depreciation	(364,124)	(323,031)
Property, plant and equipment, net	460,408	358,967	335,870
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	63,600	26,818
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	142,680	113,740
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	250,684	214,324
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	56,650	46,579
Containers [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	155,238	145,273
Office equipment and furniture [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	80,158	68,005
Software [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	40,291	25,676
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Total property, plant & equipment	$ 35,231	$ 41,583