STOCKHOLDERS' EQUITY (Pro Forma Information, Special Cash Dividend) (Details) - USD ($) $ in Thousands	Mar. 27, 2016	Dec. 27, 2015	Mar. 29, 2015	Dec. 28, 2014
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	$ 574,888	$ 439,638	$ 478,037	$ 576,143
Other current assets	1,238,954
Total current assets	1,813,842	1,746,224
Other assets	1,572,908
Total assets	3,386,750	3,318,443
Long-term debt, less current maturities	986,400	985,509
Other liabilities	1,029,161
Total stockholders' equity	1,371,189	1,261,810	$ 909,067	$ 2,196,801
Total liabilities and stockholders' equity	3,386,750	$ 3,318,443
Special Cash Dividend, Adjustments [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	145,112
Other current assets	0
Total current assets	(554,888)
Other assets	0
Total assets	(554,888)
Long-term debt, less current maturities	145,112
Other liabilities	0
Total liabilities and stockholders' equity	(554,888)
Pro Forma [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	20,000
Other current assets	1,238,954
Total current assets	1,258,954
Other assets	1,572,908
Total assets	2,831,862
Long-term debt, less current maturities	1,131,512
Other liabilities	1,029,161
Total stockholders' equity	671,189
Total liabilities and stockholders' equity	2,831,862
Dividend Paid [Member] | Special Cash Dividend, Adjustments [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	(700,000)
Total stockholders' equity	$ (700,000)