STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($)			1 Months Ended	12 Months Ended
	May 18, 2016	Feb. 17, 2015	Jul. 31, 2016	Dec. 25, 2016	Dec. 31, 2017	Feb. 10, 2016	Jul. 28, 2015
Noncontrolling Interest [Line Items]
Share repurchase, authorized amount						$ 300,000,000.0	$ 150,000,000.0
Shares repurchased under program (in shares)				10,635,861	11,415,373
Market value of shares repurchased under program				$ 217,117,000	$ 231,758,000
Special cash dividends	$ 700,000,000	$ 1,500,000,000
Special cash dividends paid (in dollars per share)	$ 2.75	$ 5.77
Capital contributions to subsidiary by noncontrolling participants			$ 7,300,000	$ 7,252,000
Consolidation, eliminations
Noncontrolling Interest [Line Items]
Additional capital contributed to subsidiary			$ 2,700,000