QUARTERLY DATA (UNAUDITED) (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 680,952	$ 648,319	$ 652,507	$ 613,584	$ 641,615	$ 609,672	$ 609,866	$ 587,230	$ 2,595,362	$ 2,448,383	$ 2,146,303
Gross profit, excluding intangible asset amortization	398,266	375,680	372,924	344,742	365,821	342,573	344,778	331,270	1,491,612	1,384,442	1,171,802
Income from continuing operations before interest, loss on extinguishment of debt and taxes	126,932	117,621	107,458	75,243	119,266	82,105	33,490	86,843	427,254	321,704	372,279
Income (loss) from continuing operations	107,806	228,929	83,328	41,918	87,513	56,540	(2,552)	54,931	461,981	196,432	155,263
Income (loss) from discontinued operations	459	0	47	(1,021)	3,077	(16)	56	1,253	(515)	4,370	(2,733)
Net income	$ 108,265	$ 228,929	$ 83,375	$ 40,897	$ 90,590	$ 56,524	$ (2,496)	$ 56,184	$ 461,466	$ 200,802	$ 152,530
Basic:
Income from continuing operations (in dollars per share)	$ 2.33	$ 4.95	$ 1.80	$ 0.91	$ 1.90	$ 1.23	$ (0.06)	$ 1.21	$ 10.00	$ 4.30	$ 3.45
Loss from discontinued operations (in dollars per share)	0.01	0	0.01	(0.02)	0.07	0	0.01	0.03	(0.01)	0.09	(0.06)
Net income (in dollars per share)	2.34	4.95	1.81	0.89	1.97	1.23	(0.05)	1.24	9.99	4.39	3.39
Diluted:
Income from continuing operations (in dollars per share)	2.28	4.85	1.77	0.89	1.87	1.21	(0.06)	1.18	9.81	4.20	3.33
Loss from discontinued operations (in dollars per share)	0.01	0	0	(0.02)	0.06	0	0.01	0.02	(0.01)	0.09	(0.06)
Net income (loss), diluted (in dollar per share)	$ 2.29	$ 4.85	$ 1.77	$ 0.87	$ 1.93	$ 1.21	$ (0.05)	$ 1.20	$ 9.80	$ 4.29	$ 3.27