Business Segments - Schedule of Information on Company's Business Segments (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 793,400,000	$ 824,000,000.0	$ 2,485,000,000	$ 2,371,200,000
ADJUSTED EBITDA	225,500,000	231,400,000	696,000,000.0	665,300,000
Interest expense	(13,700,000)	(9,600,000)	(40,100,000)	(28,600,000)
Depreciation	(14,700,000)	(12,300,000)	(41,900,000)	(37,000,000.0)
Amortization	(23,800,000)	(17,000,000.0)	(70,600,000)	(49,200,000)
Fair value inventory step-up charges	(1,200,000)	0	(1,200,000)	(400,000)
Restructuring expenses and asset impairments	(4,100,000)	0	(8,200,000)	(2,800,000)
Net impact from the exit of a COVID-19 testing application	0	1,100,000	0	1,100,000
Gain on sale of business	93,800,000	34,800,000	93,800,000	34,800,000
Gains on sales of asset	0	0	0	2,700,000
Credit loss on note receivable from collaborative partner	0	0	(7,700,000)	0
Income before income taxes	261,800,000	228,400,000	620,100,000	585,900,000
Total assets	5,669,600,000		5,669,600,000		$ 5,511,900,000
Intersegment eliminations
Segment Reporting Information [Line Items]
Net sales	(1,500,000)	(1,000,000.0)	(6,500,000)	(2,800,000)
Operating segments
Segment Reporting Information [Line Items]
ADJUSTED EBITDA	240,800,000	253,600,000	759,700,000	729,900,000
Corporate and other
Segment Reporting Information [Line Items]
ADJUSTED EBITDA	(15,300,000)	(22,200,000)	(63,700,000)	(64,600,000)
Total assets	175,100,000		175,100,000		132,100,000
Fluid & Metering Technologies
Segment Reporting Information [Line Items]
Net sales	300,500,000	307,400,000	945,700,000	878,800,000
Income before income taxes	261,800,000	228,400,000	620,100,000	585,900,000
Fluid & Metering Technologies | Intersegment eliminations
Segment Reporting Information [Line Items]
Net sales	600,000	200,000	2,300,000	700,000
Fluid & Metering Technologies | Operating segments
Segment Reporting Information [Line Items]
Net sales	301,100,000	307,600,000	948,000,000.0	879,500,000
ADJUSTED EBITDA	103,600,000	104,400,000	323,900,000	287,800,000
Total assets	1,700,000,000		1,700,000,000		1,676,900,000
Health & Science Technologies
Segment Reporting Information [Line Items]
Net sales	312,700,000	344,300,000	1,001,400,000	984,300,000
Health & Science Technologies | Intersegment eliminations
Segment Reporting Information [Line Items]
Net sales	500,000	700,000	2,300,000	1,900,000
Health & Science Technologies | Operating segments
Segment Reporting Information [Line Items]
Net sales	313,200,000	345,000,000.0	1,003,700,000	986,200,000
ADJUSTED EBITDA	84,400,000	101,400,000	278,800,000	304,800,000
Revenue recognized		17,900,000		17,900,000	17,900,000
Definite-lived intangible assets		16,800,000	0	16,800,000	16,800,000
Total assets	2,997,300,000		2,997,300,000		2,931,100,000
Fire & Safety/Diversified Products
Segment Reporting Information [Line Items]
Net sales	180,200,000	172,300,000	537,900,000	508,100,000
Fire & Safety/Diversified Products | Intersegment eliminations
Segment Reporting Information [Line Items]
Net sales	400,000	100,000	1,900,000	200,000
Fire & Safety/Diversified Products | Operating segments
Segment Reporting Information [Line Items]
Net sales	180,600,000	172,400,000	539,800,000	508,300,000
ADJUSTED EBITDA	52,800,000	$ 47,800,000	157,000,000.0	$ 137,300,000
Total assets	$ 797,200,000		$ 797,200,000		$ 771,800,000