XML 19 R48.htm IDEA: XBRL DOCUMENT v2.4.0.8
Acquisitions (Details 1) (Navilyst [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
May 31, 2012
Navilyst [Member]
 
Supplemental unaudited pro forma information  
Net sales $ 365,357
Net income (loss) $ 3,897