XML 27 R31.htm IDEA: XBRL DOCUMENT v2.4.0.8
Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Inventories    
Raw materials and supplies $ 262,866 $ 261,867
Work in process 267,917 265,196
Finished goods 241,927 265,581
Inventories $ 772,710 $ 792,644