XML 103 R81.htm IDEA: XBRL DOCUMENT v3.21.2
Investments in Companies Accounted for Using the Equity Methods - Summarized financial information of equity method investments (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Apr. 30, 2021
Jan. 30, 2021
Oct. 31, 2020
Aug. 01, 2020
Apr. 30, 2020
Jan. 25, 2020
Oct. 26, 2019
Jul. 27, 2019
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2019
Equity Method Investments                      
Current assets $ 401,638       $ 503,927       $ 401,638 $ 503,927  
Noncurrent assets 10,440       10,605       10,440 10,605  
Current liabilities 96,185       66,953       96,185 66,953  
Gross loss 59,655 $ 28,641 $ 40,851 $ 35,411 53,168 $ 23,496 $ 35,166 $ 41,272 164,558 153,102 $ 128,403
Net income                 23,345 41,070 47,419
Limited Partnership Fund                      
Equity Method Investments                      
Current assets 9,106       67,387       9,106 67,387  
Noncurrent assets 65,717       170,602       65,717 170,602  
Current liabilities $ 76,492       $ 72,505       76,492 72,505  
Revenue                 159 25  
Gross loss                 (1,241) (1,331)  
Realized and unrealized losses on investments                 (131,971) (7,028)  
Net income                 $ (190,454) $ (85,818) $ (63,107)