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Accounting Standards (Details) - USD ($) $ in Thousands | Jul. 28, 2018 | Jan. 28, 2018 | Jan. 27, 2018
--- | --- | --- | ---
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Accounts receivable, net | $ 684,862 | $ 630,400 | $ 318,684
Contract assets | 169,931 | 57,800 | $ 369,500
Balances Without Adoption of ASU 2014-09 |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Accounts receivable, net | 342,891 |  |
Contract assets | 511,902 |  |
ASU 2014-09 | Adjustments for ASU 2014-09 |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Accounts receivable, net | 341,971 | $ 311,700 |
Contract assets | $ (341,971) |  |

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