Other Current Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Other Current Accrued Liabilities [Abstract]
Customer prepayments	$ 22,589	$ 10,659
Litigation reserves	0	2,743
Deferred compensation & benefit plans	7,461	6,884
Accrued hold back & royalty consideration	671	2,219
Accrued interest	1,512	0
Accrued freight	4,025	0
Other accrued liabilities	3,281	3,689
Total other current accrued liabilities	$ 39,539	$ 26,194