QUARTERLY FINANCIAL DATA (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 24, 2011	Jun. 25, 2011	Mar. 26, 2011	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
QUARTERLY FINANCIAL DATA (Unaudited)
Net sales	$ 815,037	$ 729,839	$ 767,315	$ 717,350	$ 752,730	$ 672,192	$ 668,609	$ 567,949	$ 3,029,541	$ 2,661,480	$ 1,975,505
Gross profit	224,345	192,402	199,395	186,314	194,945	167,390	167,982	136,493	802,456	666,810	519,574
Net Earnings, Amount	65,036	56,731	59,980	52,325	114,731	42,141	45,827	25,609	234,072	228,308	94,379
Net Earnings, Per Share, Basic (in dollars per share)	$ 2.45	$ 2.14	$ 2.27	$ 1.98	$ 4.35	$ 1.60	$ 1.74	$ 0.98	$ 8.84	$ 8.67	$ 3.62
Net Earnings, Per Share, Diluted (in dollars per share)	$ 2.43	$ 2.12	$ 2.24	$ 1.96	$ 4.33	$ 1.59	$ 1.72	$ 0.97	$ 8.75	$ 8.60	$ 3.57
Stock Price, High (in dollars per share)	$ 141.18	$ 136.11	$ 128.40	$ 118.90	$ 93.45	$ 111.76	$ 110.38	$ 116.02	$ 141.18	$ 116.02
Stock Price, Low (in dollars per share)	$ 125.00	$ 119.23	$ 106.52	$ 90.21	$ 73.00	$ 78.75	$ 88.36	$ 86.08	$ 90.21	$ 73.00
Dividends Declared (in dollars per share)	$ 0.225	$ 0.225	$ 0.225	$ 0.180	$ 0.180	$ 0.180	$ 0.180	$ 0.165	$ 0.855	$ 0.705	$ 0.645
Income tax benefits associated with a legal restructuring					$ 66,026
Income tax benefits associated with a legal restructuring (in dollars per share)					$ 2.49