Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 493,570	$ 347,642
Cost of sales	256,789	185,360
Gross profit	236,781	162,282
Operating expenses:
Research and development and other engineering	15,866	14,591
Selling	36,836	30,823
General and administrative	53,774	48,565
Total operating expenses	106,476	93,979
Acquisition related costs	6,951	0
Net gain on disposal of assets	(1,083)	(80)
Income from operations	124,437	68,383
Interest expense, net and other	(428)	(1,778)
Income before taxes	124,009	66,605
Provision for income taxes	29,433	16,218
Net income	94,576	50,387
Other comprehensive income
Translation adjustment	(3)	(9,264)
Unamortized pension adjustments	(172)	492
Cash flow hedge adjustment, net of tax	(9,946)	26
Comprehensive net income	$ 84,455	$ 41,641
Net income per common share:
Basic	$ 2.19	$ 1.16
Diluted	$ 2.18	$ 1.16
Number of shares outstanding
Basic	43,179	43,379
Diluted	43,376	43,612
Cash dividends declared per common share	$ 0.25	$ 0.23

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use; (3) to conduct internal product testing; (4) or to provide engineering support to customers in the form of testing services or product uses, specifications or requirements.

No definition available.