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Accounts Receivable, Net - Portfolio of Accounts Receivable (Details) - USD ($) $ in Millions | Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable, net | $ 19.5 | $ 692.5 |
Accounts receivable, held for sale | 4.2 | 0.0 |
Consumer Portfolio Segment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable, net | 0.0 | 649.4 | $ 1,813.3
Other accounts receivable |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable, net | 19.5 | 9.6 |
Sterling Jewelers | Consumer Portfolio Segment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable, net | 0.0 | 649.4 |
Zale Jewelry | Consumer Portfolio Segment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable, net | 0.0 | 33.5 |
North America | Consumer Portfolio Segment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounts receivable, net | $ 0.0 | $ 682.9 |

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