QUARTERLY RESULTS OF OPERATIONS (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 572,586	$ 558,383	$ 569,198	$ 542,959	$ 588,167	$ 511,380	$ 524,139	$ 494,395	$ 2,243,126	$ 2,118,081	$ 1,823,307
Gross Profit	200,340	193,331	198,231	184,614	209,055	178,672	182,386	165,726	776,516	735,839	612,419
Earnings from continuing operations	46,132	44,378	43,009	36,430	44,700	38,079	34,035	22,590	169,949	139,404	104,081
Earnings from discontinued operations	(29,382)	(19,345)	(6,618)	(1,266)	2,607	(1,718)	(665)	(1,647)	(56,611)	(1,423)	9,763
Net earnings	$ 16,750	$ 25,033	$ 36,391	$ 35,164	$ 47,307	$ 36,361	$ 33,370	$ 20,943	$ 113,338	$ 137,981	$ 113,844
Basic earnings per share
Earnings from continuing operations	$ 0.96	$ 0.92	$ 0.90	$ 0.76	$ 0.95	$ 0.81	$ 0.73	$ 0.48	$ 3.54	$ 2.97	$ 2.23
Earnings from discontinued operations	$ (0.61)	$ (0.40)	$ (0.14)	$ (0.03)	$ 0.05	$ (0.04)	$ (0.02)	$ (0.03)	$ (1.18)	$ (0.03)	$ 0.21
Total	$ 0.35	$ 0.52	$ 0.76	$ 0.73	$ 1.00	$ 0.77	$ 0.71	$ 0.45	$ 2.36	$ 2.94	$ 2.44
Diluted earnings per share
Earnings from continuing operations	$ 0.94	$ 0.90	$ 0.87	$ 0.74	$ 0.92	$ 0.79	$ 0.72	$ 0.48	$ 3.46	$ 2.91	$ 2.20
Earnings from discontinued operations	$ (0.60)	$ (0.39)	$ (0.13)	$ (0.02)	$ 0.05	$ (0.03)	$ (0.02)	$ (0.04)	$ (1.15)	$ (0.03)	$ 0.21
Total	$ 0.34	$ 0.51	$ 0.74	$ 0.72	$ 0.97	$ 0.76	$ 0.70	$ 0.44	$ 2.31	$ 2.88	$ 2.41