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Property, Plant and Equipment (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 27, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | $ 2,276.9 | $ 2,257.0 |
Less: accumulated depreciation and depletion |  | (1,237.3) | (1,204.2) |
Property, plant and equipment, net |  | 1,039.6 | 1,052.8 |
Acquisition of assets | $ 9.2 |  |  |
Depreciation and depletion expense |  | 77.9 | 82.1 | $ 80.7
Mineral Rights and Reserves [Member] |  |  |  |
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | 565.8 | 571.0 |
Land [Member] |  |  |  |
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | 50.9 | 47.5 |
Buildings [Member] |  |  |  |
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | 225.6 | 218.1 |
Machinery and Equipment [Member] |  |  |  |
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | 1,254.3 | 1,241.2 |
Furniture and Fixtures and Other [Member] |  |  |  |
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | 138.9 | 144.1 |
Construction in Progress [Member] |  |  |  |
Property, plant and equipment, net [Abstract] |  |  |  |
Property, plant and equipment, gross |  | $ 41.4 | $ 35.1 |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives and The noncash expense charged against earnings to recognize the consumption of natural resources that are not part of an entity's cost of goods sold. + References No definition available. + Details
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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