Income Taxes - Additional Information (Details) - USD ($) $ in Millions	Jan. 31, 2023	Jan. 31, 2022	Jul. 09, 2020	Apr. 24, 2017
Operating Loss Carryforwards [Line Items]
Undistributed earnings of foreign subsidiaries	$ 76.0
Unrecognized tax benefits which would impact the effective tax rate if recognized	2.3
Unrecognized tax benefits	0.5	$ 2.5
Accrued interest and penalties		0.6
Federal
Operating Loss Carryforwards [Line Items]
Net operating losses	979.9	1,015.4
Net operating losses, not subject to expiration		1,006.1
Net operating losses, subject to expiration		9.3
Net operating losses, annual limitation			$ 29.0	$ 0.1
State
Operating Loss Carryforwards [Line Items]
Net operating losses	771.5	648.5
Foreign | ROMANIA
Operating Loss Carryforwards [Line Items]
Net operating losses	601.6	531.4
Foreign | Japan
Operating Loss Carryforwards [Line Items]
Net operating losses	10.4	13.5
Foreign | United Kingdom
Operating Loss Carryforwards [Line Items]
Net operating losses	$ 135.1	$ 139.2