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Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net Sales	$ 216,766	$ 231,614	$ 639,226	$ 655,146
Income from Operations	21,012	23,570	55,342	52,133
Goodwill	75,883		75,883		$ 75,509
Total Identifiable Assets	624,882		624,882		603,503
Industrial
Segment Reporting Information [Line Items]
Net Sales	121,205	127,385	361,629	362,818
Income from Operations	9,318	11,741	30,016	31,178
Goodwill	56,574		56,574		56,293
Total Identifiable Assets	362,430		362,430		370,642
Agricultural
Segment Reporting Information [Line Items]
Net Sales	56,443	58,919	156,950	160,357
Income from Operations	7,928	7,778	16,735	12,292
Goodwill	3,521		3,521		2,984
Total Identifiable Assets	116,768		116,768		110,489
European
Segment Reporting Information [Line Items]
Net Sales	39,118	45,310	120,647	131,971
Income from Operations	3,766	$ 4,051	8,591	$ 8,663
Goodwill	15,788		15,788		16,232
Total Identifiable Assets	$ 145,684		$ 145,684		$ 122,372

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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