PENSION PLANS - Plan Assets Measured at Fair Value Using Level 3 Inputs (Details) (Pension plans, USD $) In Thousands, unless otherwise specified	12 Months Ended		12 Months Ended				12 Months Ended			12 Months Ended
	Dec. 29, 2013	Jan. 01, 2012	Dec. 29, 2013 Level 3	Dec. 29, 2013 Commingled Equity and Fixed Income Level 3	Dec. 29, 2013 Private Equity Funds	Dec. 30, 2012 Private Equity Funds	Dec. 29, 2013 Private Equity Funds Level 3	Dec. 29, 2013 Hedge Funds	Dec. 30, 2012 Hedge Funds	Dec. 29, 2013 Hedge Funds Level 3
Change in Plan Assets
Fair value of plan assets at beginning of year	$ 261,811	$ 256,589	$ 97,758	$ 36,595	$ 14,941	$ 3,876	$ 3,876	$ 59,578	$ 57,287	$ 57,287
Actual return on plan assets
Assets still held at December 29, 2013			2,538	7,303			(1,200)			(3,565)
Assets sold during the period			368	574			382			(588)
Purchases, sales, and settlements			15,003	(3,324)			11,883			6,444
Transfers in and/or out of level 3	0		0	0			0			0
Fair value of plan assets at end of year	$ 275,529	$ 256,589	$ 115,667	$ 41,148	$ 14,941	$ 3,876	$ 14,941	$ 59,578	$ 57,287	$ 59,578