XML 70 R53.htm IDEA: XBRL DOCUMENT v3.6.0.2
Property and Equipment, Net (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
May 20, 2015
Mar. 29, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 28, 2014
Property Plant And Equipment [Line Items]          
Property and equipment, net     $ 137,581 $ 114,309  
Depreciation Expense     $ 20,200 $ 8,500 $ 3,400
Office Facility Located in Minnetonka Minnesota [Member]          
Property Plant And Equipment [Line Items]          
Disposal Group, Including Discontinued Operation, Consideration $ 4,700        
Purchase and Sale Agreement Fees and Closing Costs $ 300        
Property and equipment, net   $ 4,800      
Impairment of Long-Lived Assets to be Disposed of   $ 400