GEOGRAPHIC INFORMATION - Net Sales and Long Lived Assets by Region (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 104,168	$ 84,950
Long Lived Assets	41,716		42,477
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	82,769	72,613
Long Lived Assets	39,063		39,832
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	21,399	12,337
Long Lived Assets	$ 2,653		$ 2,645