Stock-based compensation (Tables)

9 Months Ended

Jun. 30, 2014

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

Schedule of assumptions for stock options granted during period

We used the following weighted-average assumptions for our options granted during the nine months ended June 30, 2014:

Expected life of options	5.1 years
Expected volatility	45.99		%
Expected discrete dividends	—
Weighted average risk-free interest rate	1.42		%
Weighted average fair value	$	7.97

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

The following table summarizes stock options and SSARs outstanding as of June 30, 2014, as well as activity during the three and nine months then ended:

	Three Months Ended				Nine Months Ended
	June 30, 2014				June 30, 2014
	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	711,869		$	29.41	560,784		$	33.01
Granted	—		—		161,010		19.11
Exercised	—		—		(1,288	)	16.16
Expired	(52,941	)	170.00		(55,811	)	170.32
Forfeited	—		—		(5,767	)	22.23
Outstanding at end of period	658,928		$	18.11	658,928		$	18.11
Exercisable at end of period	358,723		$	19.73	358,723		$	19.73
Vested or expected to vest in the future	653,999		$	18.11	653,999		$	18.11

Schedule of nonvested stock awards activity

Activity relating to nonvested stock awards, including the Performance Shares for the three and nine months ended June 30, 2014 is as follows:

	Three Months Ended				Nine Months Ended
	June 30, 2014				June 30, 2014
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Beginning of period	306,456		$	13.08	280,416		$	12.32
Granted	50,000		20.25		185,567		18.27
Vested	(10,322	)	70.26		(112,599	)	21.56
Forfeited	(1,342	)	19.11		(8,592	)	16.86
End of period	344,792		$	12.39	344,792		$	12.39