Business and Summary of Significant Accounting Policies - Segments (Details) $ in Millions	12 Months Ended
	Jan. 31, 2021 USD ($) segment	Jan. 31, 2020 USD ($)
Long Lived Assets Held-for-sale [Line Items]
Number of operating segments | segment	1
Total long-lived assets	$ 609.5	$ 600.5
U.S.
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	423.6	434.2
Other Americas
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	29.5	33.2
Americas
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	453.1	467.4
Europe, Middle East, and Africa
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	109.7	75.8
Asia Pacific
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	$ 46.7	$ 57.3