Acquisitions (Pro Forma Information) (Details) (Matrix NAC, USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Matrix NAC
Business Acquisition [Line Items]
Revenues	$ 395,600	$ 267,159	$ 671,832	$ 538,577
Net income attributable to Matrix Service Company	$ 12,422	$ 6,557	$ 19,834	$ 9,761
Basic earnings per common share	$ 0.47	$ 0.25	$ 0.76	$ 0.38
Diluted earnings per common share	$ 0.46	$ 0.25	$ 0.74	$ 0.37

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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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+ 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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