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Property and Equipment, Net (Tables) | 12 Months Ended
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Dec. 30, 2017
Property, Plant and Equipment [Abstract] |
Property and equipment, including related estimated useful lives |
|  |  |  | December 30, |  | December 31,
|  |  |  | 2017 |  | 2016
Land |  | $ | 21,019 |  | $ | 19,438
Buildings and permanent improvements |  |  | 143,250 |  |  | 127,097
Leasehold improvements |  |  | 106,236 |  |  | 95,048
Machinery and warehouse equipment |  |  | 138,478 |  |  | 121,395
Furniture, fixtures and other |  |  | 149,136 |  |  | 129,444
Computer equipment and software |  |  | 432,379 |  |  | 372,322
|  |  |  |  | 990,498 |  |  | 864,744
Less accumulated depreciation |  |  | (615,497) |  |  | (530,838)
| Property and equipment, net |  | $ | 375,001 |  | $ | 333,906
|  |  |  | Estimated Useful |  |  |
|  |  |  | Lives (in years) |  |  |
|  | Buildings and permanent improvements |  | 40 |  |  |
|  | Machinery and warehouse equipment |  | 5-10 |  |  |
|  | Furniture, fixtures and other |  | 3-10 |  |  |
|  | Computer equipment and software |  | 3-10 |  |  |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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