Quarterly report pursuant to Section 13 or 15(d)

Restructuring - Restructuring charges (Details)

v3.21.2
Restructuring - Restructuring charges (Details) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 6 Months Ended 12 Months Ended
Jun. 12, 2021
Jun. 11, 2021
Jul. 31, 2021
Jul. 31, 2021
Apr. 30, 2021
Jul. 31, 2020
Apr. 30, 2020
Jun. 11, 2021
Jul. 31, 2021
Jul. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Restructuring                        
Restructuring charges incurred   $ (1,240)   $ 316   $ 771   $ (703)   $ 1,141    
Financial Designation, Predecessor and Successor [Fixed List] Successor Predecessor Successor Successor Predecessor Predecessor Predecessor Predecessor Successor Predecessor Predecessor Predecessor