Acquisitions (Details) (USD $)		3 Months Ended	6 Months Ended
Jun. 30, 2014	Aug. 31, 2014 Aquilex [Member]	Aug. 31, 2013 Aquilex [Member]	Aug. 31, 2014 Aquilex [Member]	Aug. 31, 2013 Aquilex [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	$ 300,000
Business Acquisition, Pro Forma Information [Abstract]
Net Sales		193,415,643	189,782,000	409,542,035	396,052,000
Net Income		$ 13,768,710	$ 16,363,000	$ 28,694,101	$ 31,433,000
Earnings Per Common Share
Basic earnings per share (usd per share)		$ 0.54	$ 0.64	$ 1.12	$ 1.23
Diluted Earnings Per Share (usd per share)		$ 0.53	$ 0.64	$ 1.11	$ 1.22

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of liabilities assumed at the acquisition date.

+ References

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

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-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

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