XML 35 R36.htm IDEA: XBRL DOCUMENT v2.4.0.8
Property, Building and Equipment, net (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jan. 31, 2014
Jul. 31, 2013
Jan. 31, 2014
Minimum [Member]
Jan. 31, 2014
Maximum [Member]
Jan. 31, 2014
Computer Software [Member]
Jan. 31, 2013
Computer Software [Member]
Property, Plant and Equipment [Line Items]            
Expected capitalized cost     $ 1.5 $ 2.0    
Software devlopment cost 0.5          
Unamortized software development costs   2.7        
Amortization expense         $ 1.3 $ 0.2