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Basis of Presentation Subsequent event (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 15, 2018 | Dec. 02, 2017 | Mar. 03, 2018 | Jun. 12, 2017
Business Acquisition [Line Items] |  |  |  |
Stock Redeemed or Called During Period, Shares (in shares) |  | 200,000 |  |
EFCO Corporation |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of voting interests acquired |  |  |  | 100.00%
Subsequent Event [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Restructuring and Related Cost, Expected Cost |  |  | $ 4.5 |
Subsequent Event [Member] | Share Repurchase Program [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Stock Redeemed or Called During Period, Shares (in shares) | 246,299 |  |  |
Stock Redeemed or Called During Period, Value | $ 11.1 |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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