XML 29 R24.htm IDEA: XBRL DOCUMENT v2.4.0.6
Basis of Presentation (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 29, 2012
May 31, 2011
Basis of Presentation    
Raw materials $ 18,655 $ 16,900
Work in process 13,731 18,907
Finished goods 243,287 213,851
Inventories, net $ 275,673 $ 249,658