Pension Plans (Tables)

12 Months Ended

Sep. 30, 2012

Schedule of Available-for-sale Securities [Line Items]

Accounting For The Pension Plans

The following table presents the actuarial assumptions used in accounting for the pension plans:

	U.S. Plan						International Plans
	2013		2012		2011		2013		2012		2011
Weighted average assumptions used to determine benefit obligations at September 30 measurement date:
Discount rate	4.90	%	4.00	%	4.50	%	3.3	%	3.4	%	4.8	%
Rate of increase in future compensation (1)	—	%	—	%	—	%	3.0	%	3.0	%	3.0	%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30:
Discount rate	4.00	%	4.50	%	5.00	%	3.4	%	4.8	%	4.0	%
Rate of increase in future compensation	—	%	—	%	—	%	3.0	%	3.0	%	2.7	%
Rate of return on plan assets	7.25	%	7.25	%	7.25	%	5.4	%	5.4	%	5.6	%

(1) The rate of increase in future compensation is weighted for all plans, ongoing and frozen (with a 0% increase for frozen plans). The weighted rate of increase for ongoing non-U.S. plans was 3% at September 30, 2013 and 2012.

Components Of Net Periodic Pension Cost

The actuarially computed components of net periodic pension cost recognized in our consolidated statements of operations for each year are shown below:

	U.S. Plan									International Plans
	2013			2012			2011			2013			2012			2011
	(in thousands)
Interest cost of projected benefit obligation	$	4,989		$	5,490		$	5,627		$	2,384		$	2,554		$	2,382
Service cost	—			—			—			2,017			1,882			1,782
Expected return on plan assets	(6,128		)	(5,412		)	(5,373		)	(2,126		)	(1,929		)	(2,254		)
Amortization of prior service cost	—			—			—			(6		)	(7		)	—
Recognized actuarial loss	3,152			2,967			2,549			1,248			341			334
Net periodic pension cost	$	2,013		$	3,045		$	2,803		$	3,517		$	2,841		$	2,244

Change In Benefit Obligation And Plan Assets

The following tables display the change in benefit obligation and the change in the plan assets and funded status of the plans as well as the amounts recognized in our consolidated balance sheets:

	U.S. Plan						International Plans						Total
	Year ended September 30,
	2013			2012			2013			2012			2013			2012
	(in thousands)
Change in benefit obligation:
Projected benefit obligation—beginning of year	$	129,701		$	123,645		$	71,408		$	55,382		$	201,109		$	179,027
Service cost	—			—			2,017			1,882			2,017			1,882
Interest cost	4,989			5,490			2,384			2,554			7,373			8,044
Actuarial (gain) loss	(12,728		)	8,449			1,426			14,724			(11,302		)	23,173
Foreign exchange impact	—			—			629			(2,132		)	629			(2,132		)
Participant contributions	—			—			432			421			432			421
Benefits paid	(8,584		)	(7,883		)	(1,732		)	(1,423		)	(10,316		)	(9,306		)
Plan curtailments	—			—			(1,608		)	—			(1,608		)	—
Projected benefit obligation—end of year	$	113,378		$	129,701		$	74,956		$	71,408		$	188,334		$	201,109
Change in plan assets and funded status:
Plan assets at fair value—beginning of year	$	86,016		$	74,367		$	38,817		$	36,414		$	124,833		$	110,781
Actual return on plan assets	10,438			13,995			3,172			2,504			13,610			16,499
Employer contributions	6,961			5,537			3,008			2,129			9,969			7,666
Participant contributions	—			—			432			421			432			421
Foreign exchange impact	—			—			(335		)	(1,228		)	(335		)	(1,228		)
Benefits paid	(8,584		)	(7,883		)	(1,732		)	(1,423		)	(10,316		)	(9,306		)
Plan assets at fair value—end of year	94,831			86,016			43,362			38,817			138,193			124,833
Projected benefit obligation—end of year	113,378			129,701			74,956			71,408			188,334			201,109
Underfunded status	$	(18,547	)	$	(43,685	)	$	(31,594	)	$	(32,591	)	$	(50,141	)	$	(76,276	)
Accumulated benefit obligation—end of year	$	113,378		$	129,701		$	71,513		$	66,287		$	184,891		$	195,988
Amounts recognized in the balance sheet:
Non-current liability	$	(18,547	)	$	(43,685	)	$	(31,594	)	$	(32,591	)	$	(50,141	)	$	(76,276	)
Amounts in accumulated other comprehensive loss:
Unrecognized actuarial loss	$	55,180		$	75,370		$	19,177		$	21,068		$	74,357		$	96,438

Percentage Of Total Plan Assets

The following table shows the percentage of total plan assets for each major category of plan assets:

	U.S. Plan				International Plans
	September 30,
	2013		2012		2013		2012
Asset category:
Equity securities	62	%	65	%	51	%	46	%
Fixed income securities	38	%	33	%	27	%	27	%
Insurance company	—	%	—	%	19	%	25	%
Cash	—	%	2	%	3	%	2	%
	100	%	100	%	100	%	100	%

Expected Future Benefit Payments

As of September 30, 2013, benefit payments expected to be paid over the next ten years are outlined in the following table:

	U.S. Plan		International Plans		Total
	(in thousands)
Year ending September 30,
2014	$	4,898	$	1,727	$	6,625
2015	5,286		1,785		7,071
2016	5,698		1,947		7,645
2017	6,141		2,140		8,281
2018	6,633		2,514		9,147
2019 to 2023	40,715		18,620		59,335

U.S. Plan Assets Common Collective Trusts [Member]

Schedule of Available-for-sale Securities [Line Items]

Fair Value Of Plan Assets

	September 30, 2013
	Level 1		Level 2		Level 3		Total
	(in thousands)
U.S. plan assets-common/collective trusts:
Fixed income securities:
U.S. Treasury, agency and other local government and non-corporate	$	—	$	15,690	$	—	$	15,690
Mortgage-backed	—		10,179		—		10,179
Corporate investment grade	—		9,254		—		9,254
Corporate high yield	—		941		—		941
U.S. equity securities:
Large capitalization stocks	—		37,567		—		37,567
Small capitalization stocks	—		9,553		—		9,553
U.S. real estate investment trusts	—		77		—		77
International equity securities:
Large/mid capitalization stocks	—		11,294		—		11,294
Small capitalization stocks	—		110		—		110
Emerging large/mid capitalization stocks	—		83		—		83
Commodities	—		83		—		83
	$	—	$	94,831	$	—	$	94,831

International Plan Assets [Member]

Schedule of Available-for-sale Securities [Line Items]

Fair Value Of Plan Assets

	September 30, 2013
	Level 1		Level 2		Level 3		Total
	(in thousands)
International plan assets:
Fixed income securities:
Government	$	6,455	$	—	$	—	$	6,455
Europe corporate investment grade	5,390		—		—		5,390
Europe large capitalization stocks	21,952		—		—		21,952
Insurance company funds (1)	—		8,429		—		8,429
Cash	1,136		—		—		1,136
	$	34,933	$	8,429	$	—	$	43,362

 (1) These investments are comprised primarily of funds invested with an insurance company in Japan with a guaranteed rate of return. The insurance company invests these assets primarily in government and corporate bonds.