Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 36,877	$ 24,008	$ 17,188
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments (net of tax of $116, $190 and $214)	(409)	(544)	(665)
Comprehensive income	36,468	23,464	16,523
Less: Comprehensive income attributable to noncontrolling interest	1,067	0	0
Comprehensive income attributable to Matrix Service Company	$ 35,401	$ 23,464	$ 16,523