XML 25 R47.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Inventories [Abstract]    
Finished goods $ 52,436 $ 61,540
Work in process 43,810 39,552
Raw material and supplies 25,450 28,711
Total inventories $ 121,696 $ 129,803