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Revenue recognition - ESP and Voucher Promotions (Details) - USD ($) $ in Millions | May 01, 2021 | Jan. 30, 2021 | May 02, 2020 | Feb. 01, 2020
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Disaggregation of Revenue [Line Items] |  |  |  |
Total deferred revenue | $ 1,107.7 | $ 1,072.0 | $ 991.0 |
Current liabilities | 310.0 | 288.7 | 271.2 |
Non-current liabilities | 797.7 | 783.3 | 719.8 |
ESP deferred revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total deferred revenue | 1,049.4 | 1,028.9 | 961.0 | $ 960.0
Customer and eCommerce Orders |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total deferred revenue | $ 58.3 | $ 43.1 | $ 30.0 |

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