Restructuring - Restructuring charges (Details) - USD ($) $ in Thousands	3 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
Apr. 30, 2021	Apr. 30, 2020	Jan. 31, 2021	Aug. 27, 2020	Jan. 31, 2020	Jan. 31, 2019
SOFTWARE LUXEMBOURG HOLDING S.A. (SUCCESSOR) AND POINTWELL LIMITED (PREDECESSOR)
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	$ 537	$ 370	$ 4,341	$ 1,179	$ 1,900	$ 2,073

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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