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ACQUISITIONS - Preliminary Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
Sep. 26, 2015
Dec. 27, 2014
Oct. 06, 2014
Business Acquisition [Line Items]      
Goodwill $ 362,683 $ 385,111  
Shakespeare      
Business Acquisition [Line Items]      
Current assets     $ 12,532
Property, plant and equipment     10,694
Intangible assets     13,500
Goodwill     15,416
Total fair value of assets acquired     52,142
Current liabilities     3,870
Net assets acquired     $ 48,272