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FAIR VALUE MEASUREMENT (Tables)
 9 Months Ended
Sep. 28, 2012
Fair Value Disclosures [Abstract]  
Schedule of fair value hierarchy for cash equivalents and restricted investments
The following presents the fair value and hierarchy for our cash equivalents and restricted investments (in millions):
 
September 28,
2012
 
December 30,
2011
Level 1:
 
 
 
Cash equivalents (1)
$
86.3

 
$
55.5

Restricted cash equivalents (1)
26.6

 
31.2

Restricted investments classified as held-to-maturity (2)
—

 
1.0

Other restricted investments (3)
3.8

 
2.2

Level 2:
 
 
 
Restricted investments classified as held-to-maturity (4)
81.9

 
78.0

____________________
(1)
Cash equivalents and restricted cash equivalents consist of money market funds, deposits and investments with original maturities of three months or less.
(2)
Level 1 restricted investments classified as held-to-maturity consist of United States Treasury Securities.
(3)
Level 1 other restricted investments consist of deferred compensation investments which are comprised of mutual funds. We have an equal and offsetting accrued liability related to the deferred compensation plan.
(4)
Level 2 restricted investments classified as held-to-maturity consist of Municipal Securities, Corporate Securities, U.S. Agency Mortgages and U.S. Agency Debentures.