XML 15 R33.htm IDEA: XBRL DOCUMENT v2.4.0.6
INVENTORIES (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
INVENTORIES    
Inventories accounted for, by using the LIFO method (as a percent) 19.00% 21.00%
Inventories, by component    
Raw materials $ 118,918 $ 116,751
Work-in-process 75,591 69,676
Finished goods 113,109 105,095
Total 307,618 291,522
Less LIFO Reserve (6,810) (6,367)
Total $ 300,808 $ 285,155