Summary of Unaudited Proforma Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jun. 28, 2014	Jun. 29, 2013
Business Combinations [Abstract]
Revenue	$ 140,250	$ 145,992
Net loss	(37,180)	(1,037)
Net loss attributable to PMFG, Inc.	$ (37,248)	$ (1,629)
Basic loss per common share	$ (1.77)	$ (0.08)
Diluted loss per common share	$ (1.77)	$ (0.08)

Business acquisitions pro forma net income loss attributable to parent.

No definition available.

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- Definition

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=56956515&loc=d3e1392-128463

+ Details

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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

+ Details

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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.

+ References

+ Details

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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.

+ References

+ Details

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- References

No definition available.

+ Details

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