Revenue - Schedule of External Net Sales Disaggregated by Geography (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 920.6	$ 865.4	$ 1,807.5	$ 1,679.7
Intersegment elimination
Disaggregation of Revenue [Line Items]
Net sales	(1.4)	(2.3)	(2.7)	(4.3)
U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	467.1	435.8	924.2	855.2
North America, excluding U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	31.8	31.5	60.3	60.3
Europe \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	221.9	220.1	447.2	413.1
Asia \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	156.2	141.1	291.9	277.8
Other \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	45.0	39.2	86.6	77.6
HST
Disaggregation of Revenue [Line Items]
Net sales	414.0	363.9	811.4	704.0
HST \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	414.0	363.9	811.4	704.0
HST \| Intersegment elimination
Disaggregation of Revenue [Line Items]
Net sales	(1.0)	(1.4)	(2.0)	(2.8)
HST \| U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	186.0	166.3	371.7	321.4
HST \| North America, excluding U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	7.6	5.2	13.4	9.9
HST \| Europe \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	126.6	116.1	249.4	218.2
HST \| Asia \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	81.6	69.9	155.9	141.2
HST \| Other \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	13.2	7.8	23.0	16.1
FMT
Disaggregation of Revenue [Line Items]
Net sales	316.7	310.5	618.0	600.7
FMT \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	316.7	310.5	618.0	600.7
FMT \| Intersegment elimination
Disaggregation of Revenue [Line Items]
Net sales	(0.4)	(0.4)	(0.6)	(0.7)
FMT \| U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	183.7	175.7	359.4	344.5
FMT \| North America, excluding U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	15.8	18.4	31.0	34.4
FMT \| Europe \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	50.0	51.6	103.8	100.0
FMT \| Asia \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	45.7	41.7	80.0	76.1
FMT \| Other \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	21.9	23.5	44.4	46.4
FSDP
Disaggregation of Revenue [Line Items]
Net sales	189.9	191.0	378.1	375.0
FSDP \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	189.9	191.0	378.1	375.0
FSDP \| Intersegment elimination
Disaggregation of Revenue [Line Items]
Net sales	0.0	(0.5)	(0.1)	(0.8)
FSDP \| U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	97.4	93.8	193.1	189.3
FSDP \| North America, excluding U.S. \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	8.4	7.9	15.9	16.0
FSDP \| Europe \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	45.3	52.4	94.0	94.9
FSDP \| Asia \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	28.9	29.5	56.0	60.5
FSDP \| Other \| Operating segments
Disaggregation of Revenue [Line Items]
Net sales	$ 9.9	$ 7.9	$ 19.2	$ 15.1