STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Stock Based Compensation
Shares of common stock available for issuance	868,157,000
Number of Shares
Exercised (in shares)	(169,493)	(194,627)	(216,105)
Stock option plans
Stock Based Compensation
Compensation expense (included in selling, general and administrative expenses)	$ 5,137	$ 4,461	$ 5,194
Tax benefits associated with compensation expense	$ 1,952	$ 1,695	$ 1,974
Weighted average period over which unrecognized stock option compensation cost would be recognized	2 years 5 months 1 day
Unrecognized stock option compensation expense	$ 12,939
Assumptions used in estimating fair value of each option grant
Expected volatility (as a percent)	34.13%	32.27%	33.26%
Risk-free interest rate (as a percent)	1.58%	1.43%	1.16%
Expected life from vesting date	3 years	3 years	3 years
Dividend yield (as a percent)	0.94%	0.75%	0.72%
Number of Shares
Balance at the beginning of the period (in shares)	768,595	795,221	868,992
Granted (in shares)	291,708	177,717	155,254
Exercised (in shares)	(169,493)	(194,627)	(216,105)
Forfeited (in shares)	(41,201)	(9,716)	(12,920)
Balance at the end of the period (in shares)	849,609	768,595	795,221
Options vested or expected to vest (in shares)	818,300	746,974	775,237
Options exercisable (in shares)	409,068	450,539	464,377
Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 113,720	$ 99,290	$ 84,910
Granted (in dollars per share)	104,890	132,940	144,860
Exercised (in dollars per share)	(74,370)	(71,670)	(72,170)
Forfeited (in dollars per share)	(137,020)	(126,230)	(129,080)
Balance at the end of the period (in dollars per share)	117,420	113,720	99,290
Options vested or expected to vest (in dollars per share)	117,610	113,060	98,410
Options exercisable (in dollars per share)	$ 119,430	$ 97,290	$ 81,730
Weighted Average Remaining Contractual Term
Options outstanding	5 years 2 months 4 days	4 years 8 months 26 days	4 years 6 months 21 days
Options vested or expected to vest	5 years 1 month 16 days	4 years 8 months 8 days	4 years 6 months 3 days
Options exercisable	3 years 8 months 26 days	3 years 7 months 2 days	3 years 6 months 28 days
Aggregate Intrinsic Value
Options outstanding	$ 4,536	$ 15,983	$ 39,994
Options vested or expected to vest	4,456	15,981	39,678
Options exercisable	$ 3,376	$ 15,944	$ 31,508
Other option disclosures
Weighted average per share fair value of option granted	$ 27.91	$ 33.94	$ 37.88
Stock option plans | Maximum
Stock Based Compensation
Vesting period of options	6 years
Expiration period of grant	10 years
Stock option plans | Minimum
Stock Based Compensation
Vesting period of options	3 years
Expiration period of grant	6 years