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Business Combination (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2018 | Dec. 31, 2019 | Sep. 29, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jul. 01, 2018 | Apr. 01, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Business Combination [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
Acquisition related transaction and integration costs |  |  |  |  |  |  |  |  |  | 0.0 | 1.7 | 3.4
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 807.4 |  |  |  | $ 812.4 |  |  |  | $ 807.4 | 812.4 | $ 779.3
Sivomatic [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  |  |  | $ 61.8 |
Total consideration transferred, net of cash acquired | $ 122.5 |  |  |  |  |  |  |  |  |  |  |
Additional deferred tax liability | 18.8 |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable | 24.4 |  |  |  |  |  |  |  |  |  |  |
Inventories | 15.6 |  |  |  |  |  |  |  |  |  |  |
Other current assets | 0.6 |  |  |  |  |  |  |  |  |  |  |
Mineral rights | 39.7 |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment | 28.3 |  |  |  |  |  |  |  |  |  |  |
Goodwill | 35.0 |  |  |  |  |  |  |  |  |  |  |
Intangible assets | 26.4 |  |  |  |  |  |  |  |  |  |  |
Total assets acquired | 170.0 |  |  |  |  |  |  |  |  |  |  |
Current maturity of long-term debt | 5.7 |  |  |  |  |  |  |  |  |  |  |
Accounts payable | 9.0 |  |  |  |  |  |  |  |  |  |  |
Accrued expenses | 5.6 |  |  |  |  |  |  |  |  |  |  |
Long-term debt | 5.3 |  |  |  |  |  |  |  |  |  |  |
Non-current deferred tax liability | 19.7 |  |  |  |  |  |  |  |  |  |  |
Other non-current liabilities | 2.2 |  |  |  |  |  |  |  |  |  |  |
Total liabilities assumed | 47.5 |  |  |  |  |  |  |  |  |  |  |
Net assets acquired | $ 122.5 |  |  |  |  |  |  |  |  |  |  |
Sivomatic [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful life of intangible assets acquired | 20 years |  |  |  |  |  |  |  |  |  |  |
Sivomatic [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful life of intangible assets acquired | 20 years |  |  |  |  |  |  |  |  |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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- Definition The amount of inventory recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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