STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jul. 05, 2014	Jul. 04, 2015	Jul. 05, 2014
Activity in the Capital in excess of par value, Retained earnings and Common stock in treasury, at cost
Balance at the beginning of the period			$ 199,611
Net Income (Loss)	$ 8,541	$ (4,404)	(46,680)	$ 41,766
Balance at the end of the period	164,014	77,531	164,014	77,531
Capital in Excess of Par Value
Activity in the Capital in excess of par value, Retained earnings and Common stock in treasury, at cost
Balance at the beginning of the period			199,100	155,984
Share-based compensation			12,756	31,878
Balance at the end of the period	211,856	187,862	211,856	187,862
Retained Earnings
Activity in the Capital in excess of par value, Retained earnings and Common stock in treasury, at cost
Balance at the beginning of the period			1,145,643	1,020,633
Net Income (Loss)			(46,680)	41,766
Exercise of stock options			(1,919)	(20,033)
Restricted shares issued, net of cancellations and shares withheld for taxes			(2,478)	(8,705)
Balance at the end of the period	1,094,566	1,033,661	1,094,566	1,033,661
Common Stock in Treasury, at Cost
Activity in the Capital in excess of par value, Retained earnings and Common stock in treasury, at cost
Balance at the beginning of the period			(1,291,583)	(1,364,657)
Exercise of stock options			4,347	60,161
Restricted shares issued, net of cancellations and shares withheld for taxes			1,321	4,190
Balance at the end of the period	$ (1,285,915)	$ (1,300,306)	$ (1,285,915)	$ (1,300,306)