Share-Based Payments (Tables)

9 Months Ended

Jun. 30, 2015

Share-Based Payments [Abstract]

Restricted stock activity

The transactions for restricted stock for the nine months ended June 30, 2015 were as follows:

				Weighted-
				average
				grant-date
	Shares			fair value
Non-vested at September 30, 2014		575,150		$	33.83
Granted		215,370			40.07
Vested		(158,992	)		34.42
Expired or forfeited		(36,294	)		28.53
Non-vested at June 30, 2015		595,234			36.26

Stock option activity

The transactions for shares under options for the nine months ended June 30, 2015 were as follows:

						Weighted-
				Weighted-		average		Aggregate
				average		remaining		intrinsic
	Shares			exercise price		contractual term		value
Outstanding, September 30, 2014		512,322			$38.62
Exercised		(102,544	)		38.10
Expired or forfeited		(69,173	)		36.53
Outstanding, June 30, 2015		340,605			39.20		1.0		$4,747
Exercisable, June 30, 2015		97,000			38.78		0.8		1,392

Non-vested options activity

The transactions for non-vested options for the nine months ended June 30, 2015 were as follows:

				Weighted-average
				grant-date
	Shares			fair value
Non-vested at September 30, 2014		312,442			$11.21
Expired or forfeited		(68,837	)		11.70
Non-vested at June 30, 2015		243,605			11.07

Assumptions used in estimating fair value

The following table indicates the assumptions used in estimating fair value of restricted stock for the nine months ended June 30, 2015 and 2014.

	Nine Months Ended June 30,
	2015			2014
Expected volatility		22.2	%		26.6	%
Dividend yield		1.0	%		1.1	%
Average risk-free interest rate		1.7	%		1.4	%
Average expected term (years)		1.8			2.0