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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Estimated Useful Lives of Property and Equipment (Tables) | 12 Months Ended
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Jan. 01, 2017
Property, Plant and Equipment [Abstract] |
Schedule of property and equipment | We compute depreciation using the straight-line method over the estimated useful lives of the assets as follows:
| Years
Buildings | 40
Computers and software | 3 - 10
Furniture and equipment | 3 - 10
Property and equipment are stated at cost and consist of the following:
(in thousands) | December 31, 2017 | January 1, 2017
Buildings and land | $ | 37,672 |  | $ | 35,514 |
Computers and software | 149,835 |  | 130,317 |
Furniture and equipment | 15,527 |  | 12,262 |
Construction in progress | 7,157 |  | 12,073 |
Gross property and equipment | 210,191 |  | 190,166 |
Less accumulated depreciation | (150,028 | ) | (126,168 | )
Property and equipment, net | $ | 60,163 |  | $ | 63,998 |

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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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