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
	2012		2011		2010		2012		2011		2010
Weighted average assumptions used to determine benefit obligations at September 30 measurement date:
Discount rate	4.00	%	4.50	%	5.00	%	3.4	%	4.8	%	4.0	%
Rate of increase in future compensation (1)	—	%	—	%	—	%	3.0	%	3.0	%	2.1	%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30:
Discount rate	4.50	%	5.00	%	5.50	%	4.8	%	4.0	%	5.1	%
Rate of increase in future compensation	—	%	—	%	—	%	3.0	%	2.7	%	2.1	%
Rate of return on plan assets	7.25	%	7.25	%	7.50	%	5.4	%	5.6	%	6.1	%

(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, 2012 and 2011.

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
	2012			2011			2010			2012			2011			2010
	(in thousands)
Interest cost of projected benefit obligation	$	5,490		$	5,627		$	5,626		$	2,554		$	2,382		$	2,401
Service cost	—			—			—			1,882			1,782			1,563
Expected return on plan assets	(5,412		)	(5,373		)	(4,881		)	(1,929		)	(2,254		)	(2,291		)
Amortization of prior service cost	—			—			—			(7		)	—			—
Recognized actuarial loss (gain)	2,967			2,549			2,344			341			334			(26		)
Net periodic pension cost	$	3,045		$	2,803		$	3,089		$	2,841		$	2,244		$	1,647

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,
	2012			2011			2012			2011			2012			2011
	(in thousands)
Change in benefit obligation:
Projected benefit obligation—beginning of year	$	123,645		$	113,558		$	55,382		$	58,828		$	179,027		$	172,386
Service cost	—			—			1,882			1,782			1,882			1,782
Interest cost	5,490			5,627			2,554			2,382			8,044			8,009
Actuarial loss	8,449			8,467			14,724			(6,416		)	23,173			2,051
Foreign exchange impact	—			—			(2,132		)	39			(2,132		)	39
Participant contributions	—			—			421			445			421			445
Benefits paid	(7,883		)	(4,007		)	(1,423		)	(1,605		)	(9,306		)	(5,612		)
Plan Amendments	—			—			—			(73		)	—			(73		)
Projected benefit obligation—end of year	$	129,701		$	123,645		$	71,408		$	55,382		$	201,109		$	179,027
Change in plan assets and funded status:
Plan assets at fair value—beginning of year	$	74,367		$	75,953		$	36,414		$	39,167		$	110,781		$	115,120
Actual return on plan assets	13,995			2,421			2,504			(4,022		)	16,499			(1,601		)
Employer contributions	5,537			—			2,129			2,206			7,666			2,206
Participant contributions	—			—			421			445			421			445
Foreign exchange impact	—			—			(1,228		)	223			(1,228		)	223
Benefits paid	(7,883		)	(4,007		)	(1,423		)	(1,605		)	(9,306		)	(5,612		)
Plan assets at fair value—end of year	86,016			74,367			38,817			36,414			124,833			110,781
Projected benefit obligation—end of year	129,701			123,645			71,408			55,382			201,109			179,027
Underfunded status	$	(43,685	)	$	(49,278	)	$	(32,591	)	$	(18,968	)	$	(76,276	)	$	(68,246	)
Accumulated benefit obligation—end of year	$	129,701		$	123,645		$	66,287		$	51,083		$	195,988		$	174,728
Amounts recognized in the balance sheet:
Non-current liability	$	(43,685	)	$	(49,278	)	$	(32,591	)	$	(18,968	)	$	(76,276	)	$	(68,246	)
Amounts in accumulated other comprehensive loss:
Unrecognized actuarial loss	$	75,370		$	78,470		$	21,068		$	7,722		$	96,438		$	86,192

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,
	2012		2011		2012		2011
Asset category:
Equity securities	65	%	60	%	46	%	41	%
Fixed income securities	33	%	40	%	27	%	31	%
Insurance company	—	%	—	%	25	%	26	%
Cash	2	%	—	%	2	%	2	%
	100	%	100	%	100	%	100	%

Expected Future Benefit Payments

As of September 30, 2012, 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,
2013	$	4,457	$	1,681	$	6,138
2014	4,884		1,709		6,593
2015	5,299		1,862		7,161
2016	5,739		2,044		7,783
2017	6,207		2,125		8,332
2018 to 2022	39,320		16,151		55,471

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

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

Fair Value Of Plan Assets

	September 30, 2012
	Level 1		Level 2		Level 3		Total
	(in thousands)
U.S. plan assets-common/collective trusts:
Cash equivalents	$	—	$	1,339	$	—	$	1,339
Fixed income securities:
U.S. Treasury, agency and other local government and non-corporate	—		11,827		—		11,827
Mortgage-backed	—		7,382		—		7,382
Corporate investment grade	—		8,353		—		8,353
Corporate high yield	—		848		—		848
U.S. equity securities:
Large capitalization stocks	—		36,222		—		36,222
Small capitalization stocks	—		8,454		—		8,454
U.S. real estate investment trusts	—		828		—		828
International equity securities:
Large/mid capitalization stocks	—		9,670		—		9,670
Small capitalization stocks	—		83		—		83
Emerging large/mid capitalization stocks	—		78		—		78
Commodities	—		932		—		932
	$	—	$	86,016	$	—	$	86,016

International Plan Assets [Member]

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

Fair Value Of Plan Assets

	September 30, 2012
	Level 1		Level 2		Level 3		Total
	(in thousands)
International plan assets:
Fixed income securities:
Government	$	7,006	$	—	$	—	$	7,006
Europe corporate investment grade	3,578		—		—		3,578
Europe large capitalization stocks	17,767		—		—		17,767
Insurance company funds (1)	—		9,887		—		9,887
Cash	579		—		—		579
	$	28,930	$	9,887	$	—	$	38,817

 (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.