Dividend	12 Months Ended
Sep. 30, 2014
Stockholders' Equity Note [Abstract]
Dividend	Dividend On December 10, 2012, our board of directors declared a cash dividend of $0.20 per share which was paid on December 28, 2012 to stockholders of record as of December 20, 2012. On May 8, 2013, our board of directors declared a cash dividend of $0.10 per share which was paid on June 3, 2013 to stockholders of record as of May 24, 2013. On August 7, 2013, our board of directors declared a cash dividend of $0.10 per share which was paid on August 30, 2013 to stockholders of record as of August 21, 2013. On December 17, 2013, our board of directors declared a cash dividend of $0.10 per share which was paid on January 7, 2014 to stockholders of record as of December 27, 2013. On February 11, 2014, our board of directors declared a cash dividend of $0.11 per share which was paid on March 11, 2014 to stockholders of record as of February 27, 2014. On May 14, 2014, our board of directors declared a cash dividend of $0.11 per share which was paid on June 10, 2014 to stockholders of record as of May 30, 2014. On August 6, 2014, our board of directors declared a cash dividend of $0.11 per share which was paid on August 29, 2014 to stockholders of record as of August 21, 2014.

Dividend

12 Months Ended

Sep. 30, 2014

Stockholders' Equity Note [Abstract]

On December 10, 2012, our board of directors declared a cash dividend of $0.20 per share which was paid on December 28, 2012 to stockholders of record as of December 20, 2012. On May 8, 2013, our board of directors declared a cash dividend of $0.10 per share which was paid on June 3, 2013 to stockholders of record as of May 24, 2013. On August 7, 2013, our board of directors declared a cash dividend of $0.10 per share which was paid on August 30, 2013 to stockholders of record as of August 21, 2013.

On December 17, 2013, our board of directors declared a cash dividend of $0.10 per share which was paid on January 7, 2014 to stockholders of record as of December 27, 2013. On February 11, 2014, our board of directors declared a cash dividend of $0.11 per share which was paid on March 11, 2014 to stockholders of record as of February 27, 2014. On May 14, 2014, our board of directors declared a cash dividend of $0.11 per share which was paid on June 10, 2014 to stockholders of record as of May 30, 2014. On August 6, 2014, our board of directors declared a cash dividend of $0.11 per share which was paid on August 29, 2014 to stockholders of record as of August 21, 2014.