Goodwill and Intangible Assets - Schedule of Amortizable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	Feb. 28, 2014
Amortizable intangible assets
Finite-lived intangible assets, gross	$ 210,556	$ 209,732
Less accumulated amortization	(56,699)	(39,300)
Finite-Lived Intangible Assets, Net	153,857us-gaap_FiniteLivedIntangibleAssetsNet	170,432us-gaap_FiniteLivedIntangibleAssetsNet
Customer-Related Intangible Assets [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	159,235	158,913
Noncompete Agreements [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	5,715	5,037
Trademarks [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	5,042	5,110
Technology [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	7,400	7,400
Certification Marks [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	209	232
Engineering Drawings [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	24,600	24,600
Order or Production Backlog [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross	$ 8,355	$ 8,440

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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