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Accounting Standards - Narratives (Details) - USD ($) $ in Millions | Jan. 27, 2018 | Apr. 29, 2017 | Jan. 28, 2017
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Accounting Standards [Abstract] |  |  |
Restricted cash | $ 6.2 | $ 5.4 | $ 5.4

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- Definition Accounting Standards [Abstract] + References No definition available. + Details
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- Definition Restricted Cash + References No definition available. + Details
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