Acquisitions - Summary of Operating Information on Pro Forma Basis (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Feb. 28, 2014	Feb. 28, 2013
Business Combinations [Abstract]
Pro forma net sales	$ 578,900	$ 594,802
Pro forma net earnings	$ 15,972	$ 31,908
Pro forma earnings per share - diluted	$ 0.61	$ 1.22

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.

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 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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- Definition

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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