INCOME TAXES (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 26, 2016	Jun. 28, 2015	Jun. 26, 2016	Jun. 28, 2015
Operating Loss Carryforwards [Line Items]
Income tax expense	$ 78,398,000	$ 129,104,000	$ 141,002,000	$ 240,598,000
Effective income tax rate			34.20%	35.10%
Gain (loss) associated with pension and other postretirement benefits, tax benefit (expense)	$ 1,118,000	$ (5,331,000)	$ 5,294,000	$ (4,077,000)
Tax benefit related to share-based compensation				7,834,000
Additional Paid-in Capital [Member]
Operating Loss Carryforwards [Line Items]
Tax benefit related to share-based compensation			$ 0	$ 7,834,000