PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS (Details) (USD $)	3 Months Ended
	Apr. 01, 2012	Apr. 03, 2011
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 7,768,000	$ 7,537,000
Interest cost	12,604,000	12,955,000
Expected return on plan assets	(18,230,000)	(18,925,000)
Amortization of prior service cost	183,000	254,000
Recognized net actuarial loss (gain)	9,777,000	7,269,000
Administrative expenses	138,000	140,000
Net periodic benefit cost (income)	12,240,000	9,230,000
Contributions to pension plans	1,100,000	1,300,000
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	281,000	319,000
Interest cost	3,424,000	3,765,000
Expected return on plan assets	0	0
Amortization of prior service cost	155,000	(68,000)
Recognized net actuarial loss (gain)	(17,000)	(6,000)
Administrative expenses	31,000	59,000
Net periodic benefit cost (income)	3,874,000	4,069,000
Contributions to pension plans	5,200,000	3,100,000
Non-Qualified Contributions Reimbursement		$ 2,200,000