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Acquisitions and Dispositions - Acquisitions (Details) - USD ($) $ in Millions | Jul. 02, 2018 | Mar. 31, 2018 | May 31, 2017
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ATCO [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Consideration transferred net of working capital adjustments | $ 156.7 |  |
Cash portion of acquisition price | 151.4 |  |
Maximum possible contingent consideration | 12.0 |  |
Fair value of assets acquired | 139.2 |  |
Fair value of property, plant and equipment acquired | 83.2 |  |
Fair value of inventories acquired | 33.1 |  |
Fair value of accounts receivable acquired | 21.8 |  |
Fair value of other current assets acquired | 0.8 |  |
Fair value of other assets acquired | 0.3 |  |
Fair value of liabilities acquired | 19.8 |  |
Fair value of accounts payable acquired | 8.1 |  |
Fair value of other current liabilities acquired | 9.6 |  |
Fair value of other liabilities acquired | 2.1 |  |
Tax-deductible goodwill | 15.9 |  |
Fair value of intangible assets acquired | 21.4 |  |
Revenues of acquired entity for last annual period | $ 166.0 |  |
Die-Mold [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Consideration transferred net of working capital adjustments |  | $ 13.6 |
Cash portion of acquisition price |  | 12.4 |
Maximum possible contingent consideration |  | 2.3 |
Fair value of assets acquired |  | 7.0 |
Fair value of property, plant and equipment acquired |  | 3.3 |
Fair value of inventories acquired |  | 1.8 |
Fair value of accounts receivable acquired |  | 1.7 |
Fair value of liabilities acquired |  | 0.9 |
Fair value of accounts payable acquired |  | 0.7 |
Fair value of other current liabilities acquired |  | 0.2 |
Allocation to non-deductible goodwill and intangible assets |  | $ 7.5 |
Pexcor/Heatlink [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Consideration transferred net of working capital adjustments |  |  | $ 17.2
Cash portion of acquisition price |  |  | 16.3
Maximum possible contingent consideration |  |  | 2.2
Fair value of assets acquired |  |  | 9.9
Fair value of property, plant and equipment acquired |  |  | 2.0
Fair value of inventories acquired |  |  | 4.6
Fair value of accounts receivable acquired |  |  | 2.8
Fair value of other current assets acquired |  |  | 0.5
Fair value of liabilities acquired |  |  | 6.0
Fair value of accounts payable acquired |  |  | 3.6
Fair value of other current liabilities acquired |  |  | 0.5
Allocation to non-deductible goodwill and intangible assets |  |  | 13.3
Fair value of deferred taxes acquired |  |  | 1.9
Valuation of contingent consideration |  |  | $ 0.9

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