Pension and Retirement Plans (Tables)

3 Months Ended

Dec. 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
	December 31, 2016								September 30, 2016
	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	$	76	$	76	$	—	$	—	$	86	$	86	$	—	$	—
Pooled funds	7,087		—		7,087		—		7,543		—		7,543		—
Total plan assets	$	7,163	$	76	$	7,087	$	—	$	7,629	$	86	$	7,543	$	—

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 December 31,
	2016									2015
	Foreign			U.S.			Total			Foreign			U.S.			Total
	(Amounts in thousands)
Pension:
Service cost	$	10		$	—		$	10		$	9		$	—		$	9
Interest cost	93			11			104			151			11			162
Expected return on plan assets	(65		)	—			(65		)	(97		)	—			(97		)
Amortization of:
Prior service gain	—			—			—			—			—			—
Amortization of net gain	91			(1		)	90			45			(1		)	44
Net periodic benefit cost	$	129		$	10		$	139		$	108		$	10		$	118
Post Retirement:
Service cost	$	—		$	10		$	10		$	—		$	7		$	7
Interest cost	—			10			10			—			11			11
Amortization of net gain (loss)	—			4			4			—			(21		)	(21		)
Net periodic cost (benefit)	$	—		$	24		$	24		$	—		$	(3	)	$	(3	)