Pension and Retirement Plans (Tables)

9 Months Ended

Jun. 30, 2018

Retirement Benefits [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
	June 30, 2018								September 30, 2017
	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	$	46	$	46	$	—	$	—	$	62	$	62	$	—	$	—
Pooled funds	8,257		8,257		—		—		8,177		8,177		—		—
Total plan assets	$	8,303	$	8,303	$	—	$	—	$	8,239	$	8,239	$	—	$	—

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 June 30,
	2018									2017
	Foreign			U.S.			Total			Foreign			U.S.			Total
	(Amounts in thousands)
Pension:
Interest cost	$	93		$	7		$	100		$	81		$	11		$	92
Expected return on plan assets	(77		)	—			(77		)	(68		)	—			(68		)
Amortization of:
Amortization of net gain (loss)	45			(1		)	44			52			(1		)	51
Net periodic benefit cost from continuing operations	61			6			67			65			10			75
Net periodic benefit cost from discontinued operations	52			—			52			68			—			68
Net periodic benefit cost	$	113		$	6		$	119		$	133		$	10		$	143
Post Retirement:
Service cost	$	—		$	10		$	10		$	—		$	10		$	10
Interest cost	—			12			12			—			10			10
Amortization of net gain (loss)	—			(4		)	(4		)	—			4			4
Net periodic cost	$	—		$	18		$	18		$	—		$	24		$	24
	For the Nine Months Ended June 30,
	2018									2017
	Foreign			U.S.			Total			Foreign			U.S.			Total
	(Amounts in thousands)
Pension:
Interest cost	$	280		$	20		$	300		$	237		$	32		$	269
Expected return on plan assets	(231		)	—			(231		)	(198		)	—			(198		)
Amortization of:
Amortization of net gain (loss)	133			(1		)	132			153			(3		)	150
Net periodic benefit cost from continuing operations	182			19			201			192			29			221
Net periodic benefit cost from discontinued operations	158			—			158			200			—			200
Net periodic benefit cost	$	340		$	19		$	359		$	392		$	29		$	421
Post Retirement:
Service cost	$	—		$	32		$	32		$	—		$	29		$	29
Interest cost	—			35			35			—			33			33
Amortization of net gain (loss)	—			(14		)	(14		)	—			11			11
Net periodic cost	$	—		$	53		$	53		$	—		$	73		$	73