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BASIS OF PRESENTATION - Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
9 Months Ended
Jan. 01, 2017
Sep. 30, 2017
Equity investments under cost method   $ 20,100
Accounting Standards Update 2015-17 | Additional Paid In Capital    
Cumulative Effect on Retained Earnings, Net of Tax $ (300)  
Accounting Standards Update 2015-17 | Retained Earnings    
Cumulative Effect on Retained Earnings, Net of Tax $ 300  
Accounting Standards Update 2016-09    
Cumulative Effect on Retained Earnings, Net of Tax   110
Accounting Standards Update 2016-01    
Equity investments under cost method   20,100
Accounting Standards Update 2016-15 | Proforma Adjustment    
Payment for Contingent Consideration Liability, Investing Activities   (1,200)
Payment for Contingent Consideration Liability, Financing Activities   1,200
Accounting Standards Update 2016-18    
Restricted cash   $ 17,000