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Segment and Related Information, Sales by Product Category (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment and Related Information [Abstract] |  |  |
Net sales | $ 2,125.5 | $ 1,858.3 | $ 1,594.8
Household, Personal Care & Specialty Products [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 560.9 | 460.5 | 380.2
Metalcasting [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 334.0 | 319.2 | 258.1
Environmental Products [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 174.1 | 136.3 | 131.6
Building Materials [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 58.7 | 60.0 | 55.9
Paper PCC [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 381.7 | 349.7 | 308.4
Specialty PCC [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 100.4 | 77.1 | 69.3
Ground Calcium Carbonate [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 109.1 | 98.1 | 89.3
Talc [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 57.2 | 54.0 | 43.9
Refractory Products [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | 273.4 | 237.1 | 212.3
Metallurgical Products [Member] |  |  |
Segment and Related Information [Abstract] |  |  |
Net sales | $ 76.0 | $ 66.3 | $ 45.8

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