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Summary Of Significant Accounting Policies (Tables)
3 Months Ended
Jul. 31, 2019
Accounting Policies [Abstract]  
Schedule of Assets Acquired, net of Liabilities Assumed
The assets acquired, net of liabilities assumed on the acquisition date, and the provisional estimates of identified intangible assets and goodwill, are as follows:
(in 000s)
 
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