Acquisitions - Pro Forma Information (Details) - Aquilex [Member] $ / shares in Units, $ in Thousands	12 Months Ended
Feb. 28, 2014 USD ($) $ / shares
Summary of acquisitions
Net Sales \| $	$ 774,818
Net Income \| $	$ 60,080
Earnings Per Common Share
Basic Earnings Per Share (usd per share) \| $ / shares	$ 2.35
Diluted Earnings Per Share (usd per share) \| $ / shares	$ 2.34

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.

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)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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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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