Segments (Details) $ in Millions	9 Months Ended
	Oct. 31, 2021 USD ($) segment	Jan. 31, 2021 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments | segment	1
Long-lived assets	$ 555.4	$ 609.5
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	418.0	453.1
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	391.5	423.6
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	26.5	29.5
Europe, Middle East, and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	100.4	109.7
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 37.0	$ 46.7