Stock-based compensation (Tables)

9 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock options and SSARs outstanding, as well as related activity

Activity related to stock options/SSARs for the periods presented is as follows:

	Three Months Ended				Nine Months Ended
	June 30, 2015				June 30, 2015
	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	646,630		$	18.12	650,233		$	18.12
Exercised	(753	)	12.07		(1,209	)	12.07
Forfeited	(815	)	17.81		(3,962	)	19.81
Outstanding at end of period	645,062		$	18.13	645,062		$	18.13
Exercisable at end of period	491,699		$	18.40	491,699		$	18.40
Vested or expected to vest in the future	645,032		$	18.13	645,032		$	18.13

Schedule of nonvested stock awards activity

Activity relating to stock awards, including the Performance Shares, for the periods presented is as follows:

	Three Months Ended				Nine Months Ended
	June 30, 2015				June 30, 2015
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Beginning of period	953,608		$	18.29	746,567		$	15.76
Granted	19,322		17.85		410,192		19.01
Vested	(1,641	)	18.27		(64,719	)	15.96
Forfeited	(7,059	)	18.97		(127,810	)	7.09
End of period	964,230		$	18.28	964,230		$	18.28