Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Revenues	$ 150,766	$ 136,336
Cost of services	123,133	113,632
Gross profit	27,633	22,704
Selling, general and administrative expenses	22,511	18,700
Loss on sale of assets	1	6
Income from operations	5,121	3,998
Interest and other (income) expense:
Interest expense	293	288
Other (income) expense, net	(29)	(28)
Income from operations before income taxes	4,857	3,738
Provision (benefit) for income taxes	(942)	265
Net income from continuing operations	5,799	3,473
Net loss from discontinued operations	0	(181)
Net income	5,799	3,292
Unrealized loss on interest hedge, net of tax	0	2
Comprehensive income	$ 5,799	$ 3,294
Basic earnings (loss) per share:
From continuing operations	$ 0.27	$ 0.16
From discontinued operations	0	(0.01)
Basic	0.27	0.15
Diluted earnings (loss) per share:
From continuing operations	0.27	0.16
From discontinued operations	0	(0.01)
Diluted	$ 0.27	$ 0.15
Shares used in the computation of earnings (loss) per share
Basic	21,269,543	21,734,591
Diluted	21,347,494	21,779,728