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Fair Value Measurements (Details) $ / shares in Units, $ in Millions | 12 Months Ended
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Jan. 31, 2022 USD ($) $ / shares shares | Jan. 31, 2021 USD ($) | Jan. 31, 2020 USD ($)
Derivative Instrument, Shares of Common Stock Held (in shares) | shares | 252,011 |  |
Derivative Instrument, Common Shares Held, Per Share (in dollars per share) | $ / shares | $ 29.55 |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Minimum [Member] |  |  |
Estimated fair value consideration percentage | 11 |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Maximum [Member] |  |  |
Estimated fair value consideration percentage | 13 |  |
Measurement Input, Discount Rate [Member] | Minimum [Member] |  |  |
Estimated fair value consideration percentage | 11 |  |
Measurement Input, Discount Rate [Member] | Maximum [Member] |  |  |
Estimated fair value consideration percentage | 13 |  |
General and Administrative Expense [Member] |  |  |
Derivative, Gain on Derivatives | $ | $ 2.9 | $ 3.4 | $ 4.0

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