XML 55 R44.htm IDEA: XBRL DOCUMENT v3.20.2
New Accounting Pronouncements (Details) - USD ($)
$ in Thousands
Jul. 31, 2020
Apr. 30, 2020
May 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right-of-use assets $ 126,409 $ 127,668  
Operating lease liabilities $ 130,656    
Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease liabilities     $ 80,400