Common Stock and Stock-Based Awards (Tables)

12 Months Ended

Sep. 30, 2013

Common Stock and Stock-Based Awards [Abstract]

Stock Options Activity

	2013			2012				2011
		Weighted				Weighted				Weighted
	Number	average		Number		average		Number		average
	of	exercise		of		exercise		of		exercise
	Shares	price		Shares		price		Shares		price
Outstanding at beginning of year	22,360	$	17.53		37,385	$	14.73		139,550	$	4.65
Exercised	(6,186)		17.43		(14,769)		10.44		(102,128)		0.96
Cancelled or expired	(136)		17.00		(256)		17.00		(37)		17.00
Outstanding at end of year	16,038	$	17.58		22,360	$	17.53		37,385	$	14.73
Exercisable at end of year	16,038	$	17.58		22,360	$	17.53		37,385	$	14.73

Stock Options, by Exercise Price Range

	Outstanding and exercisable options
			Weighted
			average
			remaining	Weighted
			contractual	average
		Number of	life	exercise
Range of exercise prices		Shares	(in years)	price
$17.00 - $19.99		14,248	1.8	$	17.00
$20.00 - $22.60		1,790	2.0	$	22.17

Schedule of Nonvested Share Activity

	2013			2012				2011
		Weighted				Weighted				Weighted
	Number	average		Number		average		Number		average
	of	grant date		of		grant date		of		grant date
	Shares	fair value		Shares		fair value		Shares		fair value
Nonvested at beginning of year	129,396	$	69.94		105,540	$	61.69		70,584	$	49.33
Granted	70,575		145.65		74,848		101.97		63,900		71.14
Vested	(44,547)		144.52		(48,072)		102.09		(25,934)		52.46
Forfeitures	(13,180)		80.96		(2,920)		63.49		(3,010)		51.92
Nonvested at end of year	142,244	$	83.13		129,396	$	69.94		105,540	$	61.69