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Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Revenues	$ 573,857	$ 512,395	$ 494,593
Cost of services	473,966	429,269	427,633
Gross profit	99,891	83,126	66,960
Selling, general and administrative expenses	81,416	75,571	66,598
(Gain) loss on sale of assets	(13)	(86)	(64)
Income from operations	18,488	7,641	426
Interest and other (income) expense:
Interest expense	1,130	1,574	1,771
Other (income) expense, net	(180)	(203)	507
Income (loss) from operations before income taxes	17,538	6,270	(1,852)
Provision for income taxes	661	748	326
Net income (loss) from continuing operations	16,877	5,522	(2,178)
Net loss from discontinued operations	(339)	(198)	(1,395)
Net Income (loss)	16,538	5,324	(3,573)
Unrealized gain (loss) on interest hedge, net of tax	2	(19)	17
Comprehensive income (loss)	$ 16,540	$ 5,305	$ (3,556)
Basic earnings (loss) per share:
Continuing operations	$ 0.79	$ 0.3	$ (0.14)
Discontinued operations	(0.02)	(0.01)	(0.09)
Earnings Per Share, Basic	0.77	0.29	(0.23)
Diluted earnings (loss) per share:
Continuing operations	0.79	0.3	(0.14)
Discontinued operations	(0.02)	(0.01)	(0.09)
Earnings Per Share, Diluted	$ 0.77	$ 0.29	$ (0.23)
Shares used in the computation of income (loss) per share
Basic	21,480,622	18,417,564	15,460,424
Diluted	21,526,188	18,473,420	15,460,424

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