Retirement Benefit Plans (Tables)

12 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Net pension expense, benefit obligations and plan assets

Net pension expense, benefit obligations and plan assets for the Company-sponsored defined benefit pension plans consists of the following:

	Years Ended September 30,
	2015			2014			2013
Service cost	$	148		$	126		$	288
Interest cost	978			987			851
Expected return on plan assets	(1,671		)	(1,573		)	(1,485		)
Amortization of prior service cost	—			—			8
Amortization of net loss	545			450			917
Settlement cost	—			—			299
Curtailment cost	—			—			252
Net pension (benefit) expense for defined benefit plan	$	—		$	(10	)	$	1,130

Defined Benefit pension plans

The status of all defined benefit pension plans at September 30 is as follows:

	2015			2014
Benefit obligations:
Benefit obligations at beginning of year	$	26,140		$	23,596
Transfer in	465			—
Service cost	148			126
Interest cost	978			987
Actuarial loss (gain)	1,328			2,737
Benefits paid	(1,377		)	(1,306		)
Currency translation	3			—
Benefit obligations at end of year	$	27,685		$	26,140
Plan assets:
Plan assets at beginning of year	$	22,110		$	20,435
Actual return on plan assets	117			2,465
Employer contributions	46			516
Benefits paid	(1,377		)	(1,306		)
Plan assets at end of year	$	20,896		$	22,110

Amount recognized in the consolidated balance sheets

	Plans in which Assets Exceed Benefit Obligations at September 30,				Plans in which Benefit Obligations Exceed Assets at September 30,
	2015		2014		2015			2014
Reconciliation of funded status:
Plan assets in excess of (less than) projected benefit obligations	$	—	$	347	$	(6,789	)	$	(4,377	)
Amounts recognized in accumulated other comprehensive loss:
Net loss	—		1,090		10,003			6,576
Net amount recognized in the consolidated balance sheets	$	—	$	1,437	$	3,214		$	2,199
Amounts recognized in the consolidated balance sheets are:
Other assets	$	—	$	347	$	—		$	—
Accrued liabilities	—		—		(46		)	(46		)
Pension liability	—		—		(6,743		)	(4,331		)
Accumulated other comprehensive loss – pretax	—		1,090		10,003			6,576
Net amount recognized in the consolidated balance sheets	$	—	$	1,437	$	3,214		$	2,199

Components of net periodic benefit cost

The amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit costs during fiscal 2016 are as follows:

	Plans in which Assets Exceed Benefit Obligations		Plans in which Benefit Obligations Exceed Assets
Net loss	$	—	$	840

Developing the benefit obligation and the net pension expense for defined benefit pension plans

Where applicable, the following weighted-average assumptions were used in developing the benefit obligation and the net pension expense for defined benefit pension plans:

	Years Ended September 30,
	2015		2014
Discount rate for liabilities	3.9	%	3.9	%
Discount rate for expenses	3.9	%	4.4	%
Expected return on assets	8.0	%	8.1	%

Asset allocation range provides flexibility for the Plan's investments

The following tables set forth the asset allocation of the Company’s defined benefit pension plan assets and summarize the fair values and levels within the fair value hierarchy for such plan assets as of September 30, 2015 and 2014:

September 30, 2015	Asset Amount		Level 1		Level 2		Level 3
U.S. equity securities:
Large value	$	487	$	—	$	487	$	—
Large blend	9,268		—		9,268		—
Large growth	515		—		515		—
Mid blend	109		—		109		—
Small blend	102		—		102		—
Non-U.S equity securities:
Foreign large blend	1,559		—		1,559		—
Diversified emerging markets	35		—		35		—
U.S. debt securities:
Inflation protected bond	489		—		489		—
Intermediate term bond	7,538		—		5,493		2,045
High inflation bond	340		—		340		—
Non-U.S. debt securities:
Emerging markets bonds	56		—		56		—
Stable value:
Short-term bonds	398		—		398		—
Total plan assets at fair value	$	20,896	$	—	$	18,851	$	2,045

September 30, 2014	Asset Amount		Level 1		Level 2		Level 3
U.S. equity securities:
Large value	$	629	$	—	$	629	$	—
Large blend	10,626		—		10,626		—
Large growth	631		—		631		—
Mid blend	64		—		64		—
Small blend	55		—		55		—
Non-U.S equity securities:
Foreign large blend	1,679		—		1,679		—
Diversified emerging markets	83		—		83		—
U.S. debt securities:
Inflation protected bond	562		—		562		—
Intermediate term bond	7,001		—		4,899		2,102
High inflation bond	233		—		233		—
Non-U.S. debt securities:
Emerging markets bonds	226		—		226		—
Stable value:
Short-term bonds	321		—		321		—
Total plan assets at fair value	$	22,110	$	—	$	20,008	$	2,102

The “Asset Allocation Range” listed below anticipates these potential scenarios and provides flexibility for the Plan’s investments to vary around the objective without triggering a reallocation of the assets, as noted by the following:

	Percent of Plan Assets at September 30,				Asset Allocation Range
	2015		2014
U.S. equities	50	%	54	%	30% to 70%
Non-U.S. equities	8	%	8	%	0% to 20%
U.S. debt securities	40	%	35	%	20% to 70%
Non-U.S. debt securities	—	%	1	%	0% to 10%
Other securities	2	%	2	%	0% to 60%
Total	100	%	100	%

Changes in the fair value of the Company's Level 3 investments

Changes in the fair value of the Company’s Level 3 investments during the years ending September 30, 2015 and 2014 were as follows:

	2015			2014
Balance at beginning of year	$	2,102		$	1,999
Actual return on plan assets	76			96
Purchases and sales of plan assets, net	(133		)	7
Balance at end of year	$	2,045		$	2,102

Expected benefit payment amount

The following defined benefit payment amounts are expected to be made in the future:

Years Ending September 30,	Projected Benefit Payments
2016	$	1,417
2017	1,843
2018	1,994
2019	1,653
2020	1,864
2021-2025	8,910

Company's contribution to U.S. multi-employer retirement plans for certain union employees

The Company contributes to one (1) U.S. multi-employer retirement plan for certain union employees, as follow:

Pension Fund	Pension Protection Act Zone Status		FIP/RP Status Pending/ Implemented	Contributions by the Company						Surcharge Imposed	Expiration of Collective Bargaining Agreement
	2015	2014		2015		2014		2013
Fund ¹	Green	Green	No	$	49	$	54	$	50	No	5/31/2020

¹ The fund is the IAM National Pension Fund – EIN 51-6031295 / Plan number 2. The IAM National Pension Fund utilized the special 30-year amortization provided by Public law 111-192, section 211 to amortize its losses from 2008.