STOCK-BASED COMPENSATION (Details 2)	12 Months Ended
	Dec. 26, 2015 $ / shares shares
Options outstanding and exercisable by price range
Options Outstanding, Number (in shares) | shares	849,609
Options Exercisable, Number (in shares) | shares	409,068
Range of exercise price per share from $60.97 and $85.32
Options outstanding and exercisable by price range
Exercise price range, low end of range (in dollars per share)	$ 60.97
Exercise price range, high end of range (in dollars per share)	$ 85.32
Options Outstanding, Number (in shares) | shares	136,288
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 28 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 83.78
Options Exercisable, Number (in shares) | shares	136,103
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 83.78
Range of exercise price per share from $104.47 and $110.33
Options outstanding and exercisable by price range
Exercise price range, low end of range (in dollars per share)	104.47
Exercise price range, high end of range (in dollars per share)	$ 110.33
Options Outstanding, Number (in shares) | shares	297,221
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 9 months 10 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 104.68
Options Exercisable, Number (in shares) | shares	12,181
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 109.50
Range of exercise price per share from $120.91 to $151.45
Options outstanding and exercisable by price range
Exercise price range, low end of range (in dollars per share)	120.91
Exercise price range, high end of range (in dollars per share)	$ 151.45
Options Outstanding, Number (in shares) | shares	416,100
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 17 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 137.55
Options Exercisable, Number (in shares) | shares	260,784
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 138.51