ACCUMULATED OTHER COMPREHENSIVE LOSS, NET (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Jan. 01, 2015	Dec. 26, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances	$ (897.3)	$ (715.3)	$ (750.4)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(0.6)	0.9	1.9
Balances	(877.6)	(897.3)	(715.3)
Interest rate swaps
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances	(2.9)	(4.0)	(6.3)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Other comprehensive income (loss), net of tax	(4.3)	(2.1)	(0.2)
Amounts reclassified from accumulated other comprehensive loss to interest expense, net of taxes of ($2.9), ($2.0) and ($1.7), respectively	4.5	3.2	2.5
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	0.2	1.1
Balances	(2.7)	(2.9)	(4.0)
Available for sale securities
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances	0.7	0.2
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Other comprehensive income (loss), net of tax	(0.2)	1.1
Amounts reclassified from accumulated other comprehensive loss to interest expense, net of taxes of ($2.9), ($2.0) and ($1.7), respectively		(0.6)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(0.2)	0.5
Balances	0.5	0.7	0.2
Equity method investee interest rate swaps
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances	0.7	1.4
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Other comprehensive income (loss), net of tax	(0.6)	(0.7)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(0.6)	(0.7)
Balances	0.1	0.7	1.4
Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balances	(1.5)	(2.4)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Balances	$ (2.1)	$ (1.5)	$ (2.4)