Fair Value Measurements and Financial Instruments - Gains and Losses on Derivative Instruments and Foreign Currency Transaction (Detail) - Selling, General and Administrative Expense - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Oct. 31, 2020 |
Nov. 02, 2019 |
Oct. 31, 2020 |
Nov. 02, 2019 |
|
Fair Value Derivative Contract Assets and Liabilities Measured On Recurring Basis Gain Loss Included In Earnings [Line Items] | ||||
Gains (losses) on the changes in fair value of derivative instruments | $ 0.6 | $ 0.4 | $ (4.6) | $ 3.2 |
(Losses) gains on the re-measurement of related intercompany loans and third-party accounts payable denominated in foreign currencies | (0.5) | 0.1 | 4.7 | (2.7) |
Net gains | $ 0.1 | $ 0.5 | $ 0.1 | $ 0.5 |