Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 388.3	$ 360.7
Cost of goods sold	(270.5)	(256.2)
Gross profit	117.8	104.5
Operating expenses:
Selling, general and administrative	(72.5)	(67.3)
Research and development	(9.1)	(8.3)
Total operating expenses	(81.6)	(75.6)
Operating income	36.2	28.9
Other income, net	4.1	2.5
Interest expense, net	(1.5)	(1.7)
Income before income tax expense	38.8	29.7
Income tax expense	(10.1)	(7.5)
Net income	$ 28.7	$ 22.2
Earnings per share:
Basic	$ 1.17	$ 0.91
Diluted	$ 1.17	$ 0.90
Weighted average shares outstanding (in thousands):
Basic	24,437	24,369
Diluted	24,594	24,574

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227