Segments (Details) $ in Millions	6 Months Ended
	Jul. 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	$ 582.6	$ 609.5
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	436.2	453.1
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	407.0	423.6
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	29.2	29.5
Europe, Middle East, and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	105.3	109.7
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 41.1	$ 46.7