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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 $ 561.3
Fair value of plan assets 156.6
Funded Status (404.7)
Pension Plans  
Defined Benefit Plan Disclosure [Line Items]  
Benefit obligation 545.9
Fair value of plan assets 156.2
Funded Status (389.7)
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)