Earnings Per Share - Diluted Shares Calculation (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Basic shares	26,482	26,421	26,473	25,582
Shares issuable upon conversion of TEUs	5,221	0	0	0
Shares issuable upon vesting/exercise of stock awards/options	97	0	0	0
Diluted shares	31,800	26,421	26,473	25,582