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Revenue recognition - ESP and Voucher Promotions (Details) - USD ($) $ in Millions | May 02, 2020 | Feb. 01, 2020 | May 04, 2019
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Disaggregation of Revenue [Line Items] |  |  |
Total deferred revenue | $ 991.0 | $ 997.7 | $ 976.6
Current liabilities | 271.2 | 266.2 | 277.0
Non-current liabilities | 719.8 | 731.5 | 699.6
ESP deferred revenue |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total deferred revenue | 961.0 | 960.0 | 931.3
Voucher promotions and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total deferred revenue | $ 30.0 | $ 37.7 | $ 45.3

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