XML 73 R32.htm IDEA: XBRL DOCUMENT v3.19.2
Summary Of Significant Accounting Policies (Schedule of Assets Acquired, net of Liabilities Assumed) (Details) - USD ($)
$ in Thousands
Jul. 31, 2019
Jun. 28, 2019
Apr. 30, 2019
Jul. 31, 2018
Apr. 30, 2018
Business Acquisition [Line Items]          
Goodwill $ 821,278   $ 519,937 $ 507,941 $ 507,871
Wave          
Business Acquisition [Line Items]          
Assets acquired and liabilities assumed, net   $ 4,495      
Cash held in escrow   3,212      
Identifiable intangible assets   87,760      
Goodwill   303,359      
Total identifiable assets and goodwill   $ 398,826