Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 5,250	$ 3,118	$ 14,592	$ 12,857
Other comprehensive loss, net of tax:
Foreign currency translation loss (net of tax of $69 and $106 for the three and six months ended December 31, 2016, respectively, and $204 and $384 for the three and six months ended December 31, 2015, respectively)	(1,718)	(1,366)	(1,997)	(3,815)
Comprehensive income	3,532	1,752	12,595	9,042
Less: Comprehensive loss attributable to noncontrolling interest	0	(2,313)	0	(2,515)
Comprehensive income attributable to Matrix Service Company	$ 3,532	$ 4,065	$ 12,595	$ 11,557