QUARTERLY FINANCIAL DATA (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Sep. 24, 2016	Jun. 25, 2016	Mar. 26, 2016	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 714,978	$ 680,779	$ 712,737	$ 637,473	$ 674,575	$ 610,247	$ 640,249	$ 596,605	$ 2,745,967	$ 2,521,676	$ 2,618,924
Gross profit	170,289	163,594	183,280	164,605	165,135	155,023	175,117	160,968	681,768	656,243	621,033
Net Earnings, Amount	$ (3,611)	$ 35,208	$ 45,664	$ 38,979	$ 70,064	$ 28,173	$ 42,026	$ 32,969	$ 116,240	$ 173,232	$ 40,117
Net Earnings, Per Share, Basic (in dollars per share)	$ (0.16)	$ 1.56	$ 2.03	$ 1.73	$ 3.12	$ 1.25	$ 1.86	$ 1.45	$ 5.16	$ 7.68	$ 1.72
Net Earnings, Per Share, Diluted (in dollars per share)	(0.16)	1.55	2.01	1.72	3.10	1.24	1.85	1.45	5.11	7.63	1.71
Stock Price, High (in dollars per share)	176.35	160.35	157.60	165.20	156.05	139.62	145.94	125.69	176.35	156.05
Stock Price, Low (in dollars per share)	153.65	140.90	144.65	135.95	120.65	125.60	117.10	96.50	135.95	96.50
Dividends Declared (in dollars per share)	$ 0.375	$ 0.375	$ 0.375	$ 0.375	$ 0.375	$ 0.375	$ 0.375	$ 0.375	$ 1.500	$ 1.500	$ 1.500
Quarterly Financial Data
Blended tax rate (percent)	25.00%								35.00%	35.00%	35.00%
Deferred income tax expense	$ 20,372								$ 20,372
Deferred income tax expense (in usd per share)	$ 0.90
Provision charge for deemed repatriation tax	$ 9,890
Provision charge for deemed repatriation tax (in usd per share)	$ 0.44
Deferred expenses related to foreign withholding taxes and US state income taxes	$ 11,673								49,766	$ (32,391)	$ 1,809
Deferred expenses related to foreign withholding taxes and US state income taxes (in usd per share)	$ 0.51
Deferred income tax benefit									$ 30,590
Deferred income tax benefit (in dollars per share)									$ 1.35
Provision for valuation allowance									$ 9,888
Valuation provision effect (in dollars per share)									$ 0.44
Reversal of contingent liability									$ 16,591
Reversal of contingent liability effect (in dollars per share)									$ 0.73
Restructuring expenses (in dollars per share)									$ 0.58
Impairment of goodwill and intangible assets									$ 0	0	$ 41,970
Impairment of goodwill and intangible assets (in dollars per share									$ 1.72
Goodwill impairment										34,892
Broad Restructuring Plan
Quarterly Financial Data
Restructuring and related cost, expected cost remaining	$ 4,581				$ 39,852				$ 4,581	$ 39,852