Taxes - Summary of Income before Income Tax, Domestic and Foreign (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		4 Months Ended	5 Months Ended	7 Months Ended	8 Months Ended	12 Months Ended
	Jul. 31, 2021	Jan. 31, 2022	Oct. 31, 2021	Jun. 11, 2021	Jan. 31, 2021	Aug. 27, 2020	Jan. 31, 2022	Jan. 31, 2020
Taxes
Domestic				$ (19,928)	$ (86,333)	$ 364,827	$ (3,385)	$ (197,600)
Foreign				(33,044)	(29,323)	2,467,640	(48,564)	(640,393)
Income (loss) before income taxes	$ (9,939)	$ 7,286	$ (49,296)	$ (52,972)	$ (115,656)	$ 2,832,467	$ (51,949)	$ (837,993)