Segment Reporting - Segment revenue and significant segment expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Net sales	$ 381,877	$ 355,351
Other (income) expense - net	(9,389)	3,075
Income tax expense	12,551	7,811
Net income	40,995	30,147
Single reportable segment
Segment Reporting Information [Line Items]
Net sales	381,877	355,351
Cost of sales standard	147,017	142,803
Cost of sales other	50,063	40,528
Selling and marketing expenses	73,957	64,929
General and administrative expenses	44,253	42,557
Research and development expenses	22,609	22,478
Other operating expenses	(179)	1,023
Other (income) expense - net	(9,389)	3,075
Income tax expense	12,551	7,811
Net income	$ 40,995	$ 30,147