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, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Sales
North America									$ 282,497	$ 356,257	$ 257,740
Foreign									60,166	56,402	49,157
Net Sales	82,403	77,957	87,346	94,957	109,391	96,777	97,566	108,925	342,663	412,659	306,897
Long - Lived Assets
North America	40,965				42,147				40,965	42,147	42,838
Foreign	2,842				2,592				2,842	2,592	2,594
Long - Lived Assets	$ 43,807				$ 44,739				$ 43,807	$ 44,739	$ 45,432