XML 26 R57.htm IDEA: XBRL DOCUMENT v2.4.0.8
Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2014
Jul. 31, 2013
Expected Amortization Expense [Line Items]    
Estimated annual amortization expense, For the fiscal year ending July 31, 2015 $ 14,452  
Estimated annual amortization expense, For the fiscal year ending July 31, 2016 13,213  
Estimated annual amortization expense, For the fiscal year ending July 31, 2017 12,399  
Estimated annual amortization expense, For the fiscal year ending July 31, 2018 11,650  
Estimated annual amortization expense, For the fiscal year ending July 31, 2019 10,661  
Estimated annual amortization expense, For the fiscal year ending July 31, 2020 and thereafter 57,408  
Estimated annual amortization expense, Total $ 119,783 $ 97,753