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Acquisition of Orlaco (Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017 | Jan. 31, 2017
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 39,439 | $ 38,419 |
Orlaco [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash |  |  | $ 2,165
Accounts receivable |  |  | 7,929
Inventory |  |  | 9,409
Prepaids and other current assets |  |  | 298
Property, plant and equipment |  |  | 6,668
Identifiable intangible assets |  |  | 38,739
Other long-term assets |  |  | 6
Total identifiable assets acquired |  |  | 65,214
Accounts payable |  |  | 3,020
Other current liabilities |  |  | 834
Deferred tax liabilities |  |  | 10,206
Warranty liabilitity |  |  | 899
Total liabilities assumed |  |  | 14,959
Net identifiable assets acquired |  |  | 50,255
Goodwill |  |  | 33,628
Net assets acquired |  |  | $ 83,883

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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