INCOME TAXES (Reconciliation of the beginning and ending amount of gross unrecognized tax benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits
Beginning balance	$ 6.9	$ 5.6	$ 3.6
Additions based on tax positions related to the current year	0	0	0
Additions for tax positions of prior years	1.7	3.6	2.8
Reductions for tax positions of prior years	(3.5)	(1.7)	(0.8)
Settlements	0	(0.6)	0
Ending balance	5.1	6.9	5.6
State
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits
Additions based on tax positions related to the current year	0.1
Federal
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits
Additions based on tax positions related to the current year	$ 1.7