Long-Term Debt (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Debt Instrument [Line Items]
Long-term Debt	$ 38,865	$ 10,429
Less – current maturities	(2,857)	(2,000)
Long-term debt, net of current maturities	36,008	8,429
Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt, gross	19,187	6,429
Term loan
Debt Instrument [Line Items]
Long-term debt, gross	20,000	4,000
Less: unamortized debt issuance cost	322	0
Long-term Debt	$ 19,678	$ 4,000