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MARKETABLE SECURITIES - Available-for-sale Securities (Details) (USD $)
In Millions, unless otherwise specified
Dec. 27, 2013
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost $ 20.8
Fair Value 20.7
Certificates of deposit
 
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost 10.0
Fair Value 9.9
Variable-rate demand notes
 
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost 5.8
Fair Value 5.8
Commercial paper
 
Schedule of Available-for-sale Securities [Line Items]  
Amortized Cost 5.0
Fair Value $ 5.0