XML 29 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6
Segment and Geographic Information (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Nov. 30, 2012
Nov. 30, 2011
Nov. 30, 2012
Nov. 30, 2011
Net Sales by Geography        
Net sales $ 87,007 $ 58,099 $ 170,423 $ 112,530
United States [Member]
       
Net Sales by Geography        
Net sales 69,652 49,653 137,680 96,958
International [Member]
       
Net Sales by Geography        
Net sales $ 17,355 $ 8,446 $ 32,743 $ 15,572