GEOGRAPHIC INFORMATION - Net Sales and Long Lived Assets by Region (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 108,278	$ 105,108	$ 105,834	$ 84,950	$ 82,403	$ 77,957	$ 87,346	$ 94,957	$ 404,170	$ 342,663	$ 412,659
Long - Lived Assets	42,477				43,807				42,477	43,807	44,739
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									335,969	282,497	356,257
Long - Lived Assets	39,832				40,965				39,832	40,965	42,147
Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales									68,201	60,166	56,402
Long - Lived Assets	$ 2,645				$ 2,842				$ 2,645	$ 2,842	$ 2,592