CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenue	$ 1,887,026	$ 1,775,686	$ 1,800,434
Cost of Goods Sold	957,523	875,368	941,658
Gross profit	929,503	900,318	858,776
Operating expenses:
Research and development	(204,207)	(176,281)	(170,735)
Selling, general and administrative	(441,937)	(386,869)	(373,867)
Restructuring expenses	(10,099)	(4,854)	(625)
Loss on sale of Business	0	(13,708)	(23,588)
Total operating expenses	656,243	581,712	568,815
Earnings from operations	273,260	318,606	289,961
Interest expense	27,711	16,147	16,804
Interest income	(2,651)	(3,901)	(1,764)
Other expense (income), net	6,284	(743)	(4,144)
Earnings before income taxes	241,916	307,103	279,065
Income tax provision	70,319	24,678	171,842
Net earnings	$ 171,597	$ 282,425	$ 107,223
Net earnings per share:
Basic earnings per share (in dollars per share)	$ 1.27	$ 2.05	$ 0.78
Diluted earnings per share (in dollars per share)	$ 1.26	$ 2.01	$ 0.77