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v3.19.3.a.u2

Segment and Related Information, Reportable Segments (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 29, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jul. 01, 2018 USD ($) | Apr. 01, 2018 USD ($) | Dec. 31, 2019 USD ($) Segment | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Segment and Related Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of reportable segments | Segment |  |  |  |  |  |  |  |  | 4 |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 440.2 | $ 449.3 | $ 463.8 | $ 437.7 | $ 447.5 | $ 464.1 | $ 464.7 | $ 431.3 | $ 1,791.0 | $ 1,807.6 | $ 1,675.7
Income from operations | 47.7 | 53.5 | 45.5 | 62.0 | 62.3 | 68.2 | 62.8 | 62.6 | 208.7 | 255.9 | 244.4
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 98.4 | 94.3 | 91.0
Segment assets | 3,112.6 |  |  |  | 3,087.1 |  |  |  | 3,112.6 | 3,087.1 | 2,970.4
Capital expenditures |  |  |  |  |  |  |  |  | 65.0 | 75.9 | 76.7
Income from Operations before Provision (Benefit) for Taxes on Income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Acquisition related transaction and integration costs |  |  |  |  |  |  |  |  | 0.0 | (1.7) | (3.4)
Unallocated corporate expenses |  |  |  |  |  |  |  |  | (19.1) | (4.5) | (6.7)
Consolidated income from operations | 47.7 | 53.5 | 45.5 | 62.0 | 62.3 | 68.2 | 62.8 | 62.6 | 208.7 | 255.9 | 244.4
Non-operating deductions, net |  |  |  |  |  |  |  |  | (51.4) | (51.8) | (53.5)
Income from operations before provision (benefit) for taxes on income |  |  |  |  |  |  |  |  | 157.3 | 204.1 | 190.9
Performance Materials [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | 201.4 | 207.3 | 215.4 | 199.2 | 206.8 | 219.5 | 214.5 | 187.3 | 823.3 | 828.1 | 734.8
Specialty Minerals [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | 141.8 | 143.1 | 145.1 | 144.4 | 142.5 | 146.3 | 150.9 | 149.6 | 574.4 | 589.3 | 584.8
Refractories [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | 73.4 | 73.4 | 77.5 | 73.8 | 77.9 | 79.1 | 79.6 | 75.3 | 298.1 | 311.9 | 279.4
Energy Services [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | 23.6 | $ 25.5 | $ 25.8 | $ 20.3 | 20.3 | $ 19.2 | $ 19.7 | $ 19.1 | 95.2 | 78.3 | 76.7
Reportable Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,791.0 | 1,807.6 | 1,675.7
Income from operations |  |  |  |  |  |  |  |  | 227.8 | 262.1 | 254.5
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 98.4 | 94.3 | 91.0
Segment assets | 3,031.0 |  |  |  | 3,038.6 |  |  |  | 3,031.0 | 3,038.6 | 2,927.0
Capital expenditures |  |  |  |  |  |  |  |  | 64.9 | 74.7 | 76.1
Income from Operations before Provision (Benefit) for Taxes on Income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Consolidated income from operations |  |  |  |  |  |  |  |  | 227.8 | 262.1 | 254.5
Reportable Segments [Member] | Performance Materials [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 823.3 | 828.1 | 734.8
Income from operations |  |  |  |  |  |  |  |  | 97.1 | 116.8 | 119.7
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 43.6 | 41.1 | 40.5
Segment assets | 2,091.2 |  |  |  | 2,119.7 |  |  |  | 2,091.2 | 2,119.7 | 1,989.6
Capital expenditures |  |  |  |  |  |  |  |  | 16.8 | 22.4 | 33.1
Income from Operations before Provision (Benefit) for Taxes on Income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Consolidated income from operations |  |  |  |  |  |  |  |  | 97.1 | 116.8 | 119.7
Reportable Segments [Member] | Specialty Minerals [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 574.4 | 589.3 | 584.8
Income from operations |  |  |  |  |  |  |  |  | 83.1 | 95.4 | 88.9
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 40.4 | 38.2 | 35.5
Segment assets | 525.1 |  |  |  | 511.9 |  |  |  | 525.1 | 511.9 | 519.4
Capital expenditures |  |  |  |  |  |  |  |  | 37.7 | 42.4 | 32.6
Income from Operations before Provision (Benefit) for Taxes on Income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Consolidated income from operations |  |  |  |  |  |  |  |  | 83.1 | 95.4 | 88.9
Reportable Segments [Member] | Refractories [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 298.1 | 311.9 | 279.4
Income from operations |  |  |  |  |  |  |  |  | 39.8 | 45.4 | 39.8
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 7.0 | 6.6 | 6.8
Segment assets | 293.2 |  |  |  | 296.6 |  |  |  | 293.2 | 296.6 | 307.4
Capital expenditures |  |  |  |  |  |  |  |  | 5.7 | 5.0 | 5.9
Income from Operations before Provision (Benefit) for Taxes on Income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Consolidated income from operations |  |  |  |  |  |  |  |  | 39.8 | 45.4 | 39.8
Reportable Segments [Member] | Energy Services [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 95.2 | 78.3 | 76.7
Income from operations |  |  |  |  |  |  |  |  | 7.8 | 4.5 | 6.1
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 7.4 | 8.4 | 8.2
Segment assets | 121.5 |  |  |  | 110.4 |  |  |  | 121.5 | 110.4 | 110.6
Capital expenditures |  |  |  |  |  |  |  |  | 4.7 | 4.9 | 4.5
Income from Operations before Provision (Benefit) for Taxes on Income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Consolidated income from operations |  |  |  |  |  |  |  |  | 7.8 | 4.5 | 6.1
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment assets | $ 81.6 |  |  |  | $ 48.5 |  |  |  | 81.6 | 48.5 | 43.4
Capital expenditures |  |  |  |  |  |  |  |  | $ 0.1 | $ 1.2 | $ 0.6

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