Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013
Consolidated Balance Sheets [Abstract]
Trade, allowance	$ 945	$ 980
Preferred stock, par value	$ 0.01
Preferred stock, shares authorized	100,000,000
Preferred stock, shares issued	0
Preferred stock, shares outstanding	0
Common stock, par value	$ 0.01
Common stock, shares authorized	100,000,000
Common stock, shares issued	18,203,379	18,203,379
Common stock, shares outstanding	17,918,254	17,944,322
Treasury stock, shares	285,125	259,057