CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 29, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 230,916	$ 219,126
Cost of revenue	130,500	121,498
Gross profit	100,416	97,628
Operating expenses:
Research and development and engineering	23,246	22,828
Selling, general and administrative	43,530	40,923
Amortization of purchased intangible assets	5,750	5,089
Restructuring, acquisition, and related costs	2,283	2,476
Total operating expenses	74,809	71,316
Operating income	25,607	26,312
Interest income (expense), net	(8,254)	(6,332)
Foreign exchange transaction gains (losses), net	(321)	(77)
Other income (expense), net	(116)	(166)
Income before income taxes	16,916	19,737
Income tax provision	2,240	1,472
Net income	$ 14,676	$ 18,265
Earnings per common share (Note 5):
Basic	$ 0.41	$ 0.51
Diluted	$ 0.41	$ 0.51
Weighted average common shares outstanding—basic	35,914	35,810
Weighted average common shares outstanding—diluted	36,127	35,999

This element represents (i) restructuring charges, which are amounts charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted; and (ii) acquisition-related costs, which are costs incurred to effect a business combination which costs have been expensed during the period. Such costs can include transaction costs such as banking, legal, accounting and other costs directly related to effect a business combination as well as external, incremental costs of integration planning that are directly related to a business combination, including costs associated with preparing for systems and other integration activities.

No definition available.