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BUSINESS ACQUISITIONS AND DIVESTITURE - WIL Research, Additional Information (Details) - USD ($)
 9 Months Ended 12 Months Ended
Apr. 04, 2016
Dec. 31, 2016
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Feb. 10, 2017
Mar. 30, 2016
Mar. 29, 2016
Business Acquisition [Line Items]                
Credit facility             $ 1,650,000,000.00 $ 1,300,000,000.0
WIL Research                
Business Acquisition [Line Items]                
Purchase price $ 604,800,000              
Assumed liabilities 400,000              
Purchase price allocation 577,391,000              
Cash acquired 27,400,000              
Goodwill resulting from transaction $ 19,000,000         $ 14,800,000    
Transaction and integration costs     $ 1,700,000 $ 15,500,000 $ 3,200,000      
Revenue since acquisition   $ 176,100,000            
Operating income (loss) since acquisition   $ 12,500,000            
Additional amortization of intangible assets and depreciation of fixed assets       400,000 13,600,000      
Reversal of interest expense on borrowings       $ 2,600,000 10,500,000      
Acquisition-related transaction costs         $ 11,500,000