Acquisition (Details 1) (Alumicor Limited [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Nov. 30, 2013	Nov. 30, 2013
Alumicor Limited [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 210,613	$ 595,451
Business Acquisition, Pro Forma Net Income (Loss)	$ 10,595	$ 22,516
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 0.37	$ 0.79
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.36	$ 0.77

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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)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

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.

+ References

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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.

+ References

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