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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Estimated Useful Lives of Property and Equipment (Tables)
 12 Months Ended
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