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Assets Held for Sale (Details) $ in Millions | Dec. 31, 2016 USD ($) warehouse | Jan. 02, 2016 USD ($)
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of properties held for sale | warehouse | 3 |
Discontinued operations, held for sale |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Disposal group, including discontinued operations, assets, current | $ | $ 2.7 | $ 2.3

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