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Revenue from Contracts with Customers (Tables) | 9 Months Ended
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Sep. 30, 2018
Revenue from Contracts with Customers [Abstract] |
Disaggregation of Revenue | The following table disaggregates our revenue by major source (product line) for the three and nine month periods ended September 30, 2018 and October 1, 2017 :
(millions of dollars) |  | Three Months Ended |  |  | Nine Months Ended |
Net Sales |  | Sep. 30, 2018 |  |  | Oct. 1, 2017 |  |  | Sep. 30, 2018 |  |  | Oct. 1, 2017 |
Metalcasting |  | $ | 77.8 |  |  | $ | 73.6 |  |  | $ | 245.8 |  |  | $ | 215.9 |
Household, Personal Care and Specialty Products |  |  | 71.9 |  |  |  | 42.5 |  |  |  | 179.2 |  |  |  | 123.3 |
Environmental Products |  |  | 26.3 |  |  |  | 21.6 |  |  |  | 64.2 |  |  |  | 51.8 |
Building Materials |  |  | 18.0 |  |  |  | 19.9 |  |  |  | 54.9 |  |  |  | 57.5 |
Basic Minerals |  |  | 25.5 |  |  |  | 31.2 |  |  |  | 77.2 |  |  |  | 90.5 |
Performance Materials |  |  | 219.5 |  |  |  | 188.8 |  |  |  | 621.3 |  |  |  | 539.0 |
Paper PCC |  |  | 93.1 |  |  |  | 96.3 |  |  |  | 284.6 |  |  |  | 282.0 |
Specialty PCC |  |  | 16.9 |  |  |  | 16.4 |  |  |  | 51.2 |  |  |  | 50.8 |
Ground Calcium Carbonate |  |  | 23.0 |  |  |  | 22.3 |  |  |  | 70.7 |  |  |  | 67.1 |
Talc |  |  | 13.3 |  |  |  | 12.7 |  |  |  | 40.3 |  |  |  | 41.0 |
Specialty Minerals |  |  | 146.3 |  |  |  | 147.7 |  |  |  | 446.8 |  |  |  | 440.9 |
Refractory Products |  |  | 66.7 |  |  |  | 56.6 |  |  |  | 195.7 |  |  |  | 169.4 |
Metallurgical Products |  |  | 12.4 |  |  |  | 12.3 |  |  |  | 38.3 |  |  |  | 38.6 |
Refractories |  |  | 79.1 |  |  |  | 68.9 |  |  |  | 234.0 |  |  |  | 208.0 |
Energy Services |  |  | 19.2 |  |  |  | 19.0 |  |  |  | 58.0 |  |  |  | 55.6 |
Total |  | $ | 464.1 |  |  | $ | 424.4 |  |  | $ | 1,360.1 |  |  | $ | 1,243.5 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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- References No definition available. + Details
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