PUERTO RICO HURRICANE IMPACT (Details) - Hurricane Maria - Hurricane bird in Millions, $ in Millions		3 Months Ended	12 Months Ended
	Sep. 20, 2017 bird	Dec. 30, 2018 USD ($)	Dec. 30, 2018 USD ($)
Unusual or Infrequent Item, or Both [Line Items]
Number of years since last storm of similar magnitude	85 years
Number of birds lost | bird	2.1
Property And Casualty
Unusual or Infrequent Item, or Both [Line Items]
Estimated damages			$ 5.2
Business Interruption
Unusual or Infrequent Item, or Both [Line Items]
Estimated damages		$ 11.9	$ 15.1