XML 24 R30.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Inventory Disclosure [Abstract]    
Finished goods $ 37,007 $ 38,095
Work-in-process 7,342 6,047
Raw materials 26,106 25,769
Total $ 70,455 $ 69,911