Pension and Retirement Plans (Tables)

6 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The fair value of the assets held by the U.K. pension plan by asset category are as follows:

	Fair Values as of
	March 31, 2016								September 30, 2015
	Fair Value Measurements Using Inputs Considered as								Fair Value Measurements Using Inputs Considered as
Asset Category	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(Amounts in thousands)
Cash on deposit	$	227	$	227	$	—	$	—	$	324	$	324	$	—	$	—
Pooled Funds	8,547		—		8,547		—		8,977		—		8,977		—
Total Plan Assets	$	8,774	$	227	$	8,547	$	—	$	9,301	$	324	$	8,977	$	—

Schedule of Net Benefit Costs

The components of net periodic benefit costs related to the U.S. and international plans are as follows:

	For the Three Months Ended March 31,
	2016									2015
	Foreign			U.S.			Total			Foreign			U.S.			Total
	(Amounts in thousands)
Pension:
Service cost	$	9		$	—		$	9		$	13		$	—		$	13
Interest cost	146			11			157			155			13			168
Expected return on plan assets	(92		)	—			(92		)	(104		)	—			(104		)
Amortization of:
Prior service gain	—			—			—			—			—			—
Amortization of net gain	44			(1		)	43			49			(1		)	48
Net periodic benefit cost	$	107		$	10		$	117		$	113		$	12		$	125
Post Retirement:
Service cost	$	—		$	7		$	7		$	—		$	9		$	9
Interest cost	—			11			11			—			11			11
Amortization of net gain	—			(20		)	(20		)	—			(13		)	(13		)
Net periodic cost (benefit)	$	—		$	(2	)	$	(2	)	$	—		$	7		$	7
	For the Six Months Ended March 31,
	2016									2015
	Foreign			U.S.			Total			Foreign			U.S.			Total
	(Amounts in thousands)
Pension:
Service cost	$	18		$	—		$	18		$	28		$	—		$	28
Interest cost	297			22			319			320			26			346
Expected return on plan assets	(190		)	—			(190		)	(212		)	—			(212		)
Amortization of:
Prior service gain	—			—			—			—			—			—
Amortization of net gain	89			(2		)	87			102			(2		)	100
Net periodic benefit cost	$	214		$	20		$	234		$	238		$	24		$	262
Post Retirement:
Service cost	$	—		$	14		$	14		$	—		$	17		$	17
Interest cost	—			21			21			—			22			22
Amortization of net gain	—			(40		)	(40		)	—			(25		)	(25		)
Net periodic cost (benefit)	$	—		$	(5	)	$	(5	)	$	—		$	14		$	14