QUARTERLY FINANCIAL DATA (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
QUARTERLY FINANCIAL DATA (Unaudited)
Net sales	$ 827,890	$ 778,032	$ 878,659	$ 819,630	$ 815,037	$ 729,839	$ 767,315	$ 717,350	$ 3,304,211	$ 3,029,541	$ 2,661,480
Gross profit	222,824	225,564	261,471	235,369	224,345	192,402	199,395	186,314	945,228	802,456	666,810
Net Earnings, Amount	54,868	56,489	89,563	77,569	65,036	56,731	59,980	52,325	278,489	234,072	228,308
Net Earnings, Per Share, Basic (in dollars per share)	$ 2.06	$ 2.12	$ 3.36	$ 2.92	$ 2.45	$ 2.14	$ 2.27	$ 1.98	$ 10.45	$ 8.84	$ 8.67
Net Earnings, Per Share, Diluted (in dollars per share)	$ 2.04	$ 2.10	$ 3.33	$ 2.89	$ 2.43	$ 2.12	$ 2.24	$ 1.96	$ 10.35	$ 8.75	$ 8.60
Stock Price, High (in dollars per share)	$ 150.58	$ 153.16	$ 157.99	$ 164.93	$ 141.18	$ 136.11	$ 128.40	$ 118.99	$ 164.93	$ 141.18
Stock Price, Low (in dollars per share)	$ 129.00	$ 133.38	$ 132.16	$ 133.40	$ 125.00	$ 119.23	$ 106.52	$ 90.21	$ 129.00	$ 90.21
Dividends Declared (in dollars per share)	$ 0.250	$ 0.250	$ 0.250	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0.180	$ 0.975	$ 0.855	$ 0.705
Quarterly Financial Data
Non-cash after-tax loss on deconsolidation									12,011
EMD
Quarterly Financial Data
Non-cash after-tax loss on deconsolidation	12,011
Non-cash after-tax loss on deconsolidation (in dollars per share)	$ 0.45
Fixed asset impairment loss	$ 4,569
Fixed asset impairment loss (in dollars per share)	$ 0.17