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Legal Proceedings - Narrative (Details) - Enzo [Member] - Settled litigation [Member]
$ in Millions
12 Months Ended
Jan. 01, 2017
USD ($)
Loss Contingencies [Line Items]  
Settlement payment $ 21
Remaining amortization of settlement payment allocated to intangible assets 7 years
Release of past damages [Member]  
Loss Contingencies [Line Items]  
Settlement payment $ 9
Finite-lived intangible assets [Member]  
Loss Contingencies [Line Items]  
Settlement payment $ 12