XML 61 R46.htm IDEA: XBRL DOCUMENT v3.22.1
Revenue Recognition -Performance Obligation (Details Textual)
$ in Thousands
Apr. 30, 2022
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation $ 533,340
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-05-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation $ 452,289
Revenue, remaining performance obligation, expected timing of satisfaction, period (month) 12 months