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Acquisitions | 12 Months Ended
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Dec. 31, 2017
Business Acquisition [Line Items] |
Business Combination Disclosure [Text Block] | Acquisitions During 2015, the Company completed two acquisitions for an aggregate amount of approximately $10.0 million, net of cash acquired. The largest acquisition was the November 2015 acquisition of certain business assets of Parker-Hannifin Corporation, located in Tolleson, AZ, within the Company's Aerospace reportable segment.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -URI http://asc.fasb.org/topic&trid=2303972 + Details
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