Stock-based compensation (Tables)

9 Months Ended

Jun. 30, 2016

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

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs

A summary of the expense related to stock-based compensation by award type is as follows for the periods presented:

	Three Months Ended June 30,						Nine Months Ended June 30,
(In thousands)	2016			2015			2016			2015
Stock options expense	$	135		$	171		$	385		$	528
Restricted stock awards expense	1,921			1,468			5,459			4,042
Before tax stock-based compensation expense	2,056			1,639			5,844			4,570
Tax benefit	(1,043		)	—		(a)	(2,891		)	—		(a)
After tax stock-based compensation expense	$	1,013		$	1,639		$	2,953		$	4,570

^(a) Tax impact is zero due to the existence of a valuation allowance on our deferred tax assets in prior year periods.

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

We used the following assumptions for stock options granted, which derived the weighted average fair value shown, for the period presented:

	Nine Months Ended
	June 30, 2016
Expected life of options	4.9 years
Expected volatility	46.50		%
Expected dividends	—
Weighted average risk-free interest rate	1.38		%
Weighted average fair value	$	3.98

Schedule of Stock Options and SSARs Outstanding, As Well As Related Activity

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

	Three Months Ended				Nine Months Ended
	June 30, 2016				June 30, 2016
	Shares		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
Outstanding at beginning of period	681,273		$	17.89	643,907		$	18.13
Granted	74,474		7.53		115,074		9.90
Forfeited	(500	)	7.32		(3,734	)	17.03
Outstanding at end of period	755,247		$	16.88	755,247		$	16.88
Exercisable at end of period	590,200		$	18.04	590,200		$	18.04
Vested or expected to vest in the future	755,247		$	16.88	755,247		$	16.88

Schedule of Nonvested Stock Awards Activity

Activity relating to all restricted stock awards is as follows for the periods presented:

	Three Months Ended				Nine Months Ended
	June 30, 2016				June 30, 2016
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Beginning of period	1,281,662		$	17.23	956,283		$	18.27
Granted	—		—		491,443		14.69
Vested	(4,156	)	18.15		(125,145	)	18.61
Forfeited	(8,099	)	17.11		(53,174	)	9.42
End of period	1,269,407		$	17.23	1,269,407		$	17.23