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EMPLOYEE BENEFIT PLANS - Funded Status (Details) - Galleria
$ in Millions
Oct. 01, 2016
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
Benefit obligation $ 485.3
Fair value of plan assets 90.5
Funded Status (394.8)
Pension Plans  
Defined Benefit Plan Disclosure [Line Items]  
Benefit obligation 469.9
Fair value of plan assets 90.1
Funded Status (379.8)
Other Post-Employment Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Benefit obligation 15.4
Fair value of plan assets 0.4
Funded Status $ (15.0)