Retirement Benefit Plans (Tables)

9 Months Ended

Jun. 30, 2012

Retirement Benefit Plans [Abstract]

Components of net periodic benefit cost

	Three Months Ended June 30,						Nine Months Ended June 30,
	2012			2011			2012			2011
Service cost	$	71		$	68		$	214		$	204
Interest cost		247			265			740			795
Expected return on plan assets		(351	)		(364	)		(1,052	)		(1,092	)
Amortization of prior service cost		12			29			35			87
Amortization of net loss		210			171			630			513
Net periodic benefit cost	$	189		$	169		$	567		$	507