Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Jan. 31, 2022
Summary Of Significant Accounting Policies [Line Items]
Foreign currency transaction losses	$ 1.4	$ 2.9
Capitalized costs for cloud computing arrangements, amortization expense	$ 0.2	0.2
SaaS Product Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized software, estimated useful life	5 years
Capitalized software, amortization expense	$ 0.3	0.2
Software Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized software, estimated useful life	5 years
Capitalized software, amortization expense	$ 0.2	$ 0.1
Other Assets, Noncurrent
Summary Of Significant Accounting Policies [Line Items]
Capitalized costs for cloud computing arrangements, gross	2.2		$ 2.3
Capitalized costs for cloud computing arrangements, accumulated amortization	1.4		1.2
Other Assets, Noncurrent | SaaS Product Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized computer software, gross	8.2		10.1
Capitalized software, accumulated amortization	2.0		1.7
Other Assets, Noncurrent | Software Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized computer software, gross	4.2		4.3
Capitalized software, accumulated amortization	$ 1.4		$ 1.2
United States, European Union (“EU”) Countries, and Japan | Geographic Concentration Risk | Cash and Cash Equivalents
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	98.00%		96.00%