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Business Combinations (Narrative) (Details) - USD ($) $ in Thousands	Jun. 26, 2017	Jun. 06, 2017	Jun. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill			$ 82,430	$ 74,825
Industrial
Business Acquisition [Line Items]
Goodwill			$ 59,643	$ 56,447
Santa Izabel Agro Industria, LTDA
Business Acquisition [Line Items]
Acquisition price		$ 10,000
Old Dominion
Business Acquisition [Line Items]
Acquisition price	$ 18,000
Estimated value of intangible assets	4,500
Goodwill	3,000
Old Dominion | Operating Segments | Industrial
Business Acquisition [Line Items]
Goodwill	$ 3,000

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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