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Background and Basis of Presentation (Details) - $ / shares | Apr. 28, 2017 | Jan. 27, 2017 | Apr. 29, 2016
--- | --- | --- | ---
Class of Stock [Line Items] |  |  |
Common stock, shares outstanding | 32,029,359 | 32,029,359 | 31,969,645
Common stock, par value (in USD per share) | $ 0.01 | $ 0.01 | $ 0.01

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