FAIR VALUE MEASUREMENTS (Details) (Recurring Basis, USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 28, 2014	Dec. 28, 2013
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Recognized loss	$ 0	$ 0
Estimated Fair Value
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	11.3	6.6
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	11.3	6.6
Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	$ 0	$ 0