GEOGRAPHIC INFORMATION - Net Sales and Long Lived Assets by Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 151,537	$ 122,432	$ 278,325	$ 226,600
Long Lived Assets	44,594		44,594		$ 43,669
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	130,555	102,895	239,005	185,664
Long Lived Assets	42,189		42,189		41,176
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	20,982	$ 19,537	39,320	$ 40,936
Long Lived Assets	$ 2,405		$ 2,405		$ 2,493