CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net revenues	$ 2,448,383	$ 2,146,303	$ 1,868,027
Cost of goods sold	1,063,941	974,501	871,827
Gross profit	1,384,442	1,171,802	996,200
Selling, general and administrative expenses	878,688	699,963	563,308
Research and development expenses	106,208	84,770	58,579
Restructuring and impairment charges	79,230	14,790	59,227
Gain on sale of assets	(1,388)	0	(4,367)
Income from continuing operations before interest, loss on extinguishment of debt and taxes	321,704	372,279	319,453
Interest expense	103,020	82,546	54,941
Interest income	(944)	(771)	(474)
Loss on extinguishment of debt	0	5,593	19,261
Income from continuing operations before taxes	219,628	284,911	245,725
Taxes on income from continuing operations	23,196	129,648	8,074
Income from continuing operations	196,432	155,263	237,651
Income (loss) from discontinued operations	5,643	(4,534)	(922)
Tax (benefit) on income (loss) from discontinued operations	1,273	(1,801)	(1,112)
Income (loss) on discontinued operations	4,370	(2,733)	190
Net income	200,802	152,530	237,841
Less: Income from continuing operations attributable to noncontrolling interest	0	0	464
Net income	$ 200,802	$ 152,530	$ 237,377
Basic:
Income from continuing operations (in dollars per share)	$ 4.30	$ 3.45	$ 5.47
Income (loss) from discontinued operations (in dollars per share)	0.09	(0.06)	0.01
Net income (in dollars per share)	4.39	3.39	5.48
Diluted:
Income from continuing operations (in dollars per share)	4.20	3.33	4.98
Income (loss) from discontinued operations (in dollars per share)	0.09	(0.06)	0.00
Net income (loss), diluted (in dollar per share)	$ 4.29	$ 3.27	$ 4.98
Weighted average common shares outstanding:
Basic (in shares)	45,689	45,004	43,325
Diluted (in shares)	46,801	46,664	47,646
Amounts attributable to common shareholders:
Income from continuing operations, net of tax	$ 196,432	$ 155,263	$ 237,187
Income (loss) from discontinued operations, net of tax	4,370	(2,733)	190
Net income	$ 200,802	$ 152,530	$ 237,377