Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	$ (339)	$ 117
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, accumulated other comprehensive loss	(5,865)	(6,612)
Change in Period	(2,503)	784
Tax effect of change in period	444	(37)
Balance, accumulated other comprehensive loss	(7,924)	(5,865)
Effect of Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(339)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, accumulated other comprehensive loss	(2,156)	(2,273)
Change in Period		117
Tax effect of change in period	0	0
Balance, accumulated other comprehensive loss	(2,495)	(2,156)
Minimum Pension Liability
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, accumulated other comprehensive loss	(3,709)	(4,339)
Change in Period	(2,164)	667
Tax effect of change in period	444	(37)
Balance, accumulated other comprehensive loss	$ (5,429)	$ (3,709)