Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Net Sales	$ 207,798us-gaap_SalesRevenueNet	$ 172,610us-gaap_SalesRevenueNet
Income from Operations	12,128us-gaap_OperatingIncomeLoss	10,631us-gaap_OperatingIncomeLoss
Goodwill	72,831us-gaap_Goodwill	72,407us-gaap_Goodwill	72,407us-gaap_Goodwill
Total Identifiable Assets	647,496us-gaap_Assets	629,602us-gaap_Assets	629,602us-gaap_Assets
Industrial
Segment Reporting Information [Line Items]
Net Sales	116,912	77,711
Income from Operations	9,337	6,300
Goodwill	53,565	54,036
Total Identifiable Assets	363,103	363,812
Agricultural
Segment Reporting Information [Line Items]
Net Sales	48,457	50,808
Income from Operations	792	2,415
Goodwill	3,146	695
Total Identifiable Assets	138,495	113,286
European
Segment Reporting Information [Line Items]
Net Sales	42,429	44,091
Income from Operations	1,999	1,916
Goodwill	16,120	17,676
Total Identifiable Assets	$ 145,898	$ 152,504

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The net result for the period of deducting operating expenses from operating revenues.

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No definition available.

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- Definition

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

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