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Pension Plans (Tables)
12 Months Ended
Sep. 30, 2016
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
 
2016
 
2015
 
2014
 
2016
 
2015
 
2014
Weighted average assumptions used to determine benefit obligations at September 30 measurement date:
 
 
 
 
 
 
 
 
 
 
 
Discount rate
%
 
%
 
3.80
%
 
1.3
%
 
2.2
%
 
2.4
%
Rate of increase in future compensation
%
 
%
 
%
 
2.8
%
 
3.0
%
 
3.0
%
Weighted average assumptions used to determine net periodic pension cost for fiscal years ended September 30:
 
 
 
 
 
 
 
 
 
 
 
Discount rate
%
 
3.80
%
 
4.90
%
 
2.2
%
 
2.4
%
 
3.3
%
Rate of increase in future compensation
%
 
%
 
%
 
3.0
%
 
3.0
%
 
3.0
%
Rate of return on plan assets
%
 
1.35
%
 
7.25
%
 
5.7
%
 
5.8
%
 
5.7
%
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
 
2016
 
2015
 
2014
 
2016
 
2015
 
2014
 
(in thousands)
Interest cost of projected benefit obligation
$

 
$
4,591

 
$
5,461

 
$
1,374

 
$
1,828

 
$
2,442

Service cost

 

 

 
1,599

 
1,466

 
1,659

Expected return on plan assets

 
(1,364
)
 
(7,151
)
 
(3,305
)
 
(3,364
)
 
(2,506
)
Amortization of prior service cost

 

 

 
(5
)
 
(4
)
 
(5
)
Recognized actuarial loss

 
2,577

 
2,213

 
2,292

 
1,815

 
1,181

Settlement loss

 
66,332

 

 

 

 

Net periodic pension cost
$

 
$
72,136

 
$
523

 
$
1,955

 
$
1,741

 
$
2,771

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,
 
2016
 
2015
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
Change in benefit obligation:
 
 
 
 
 
 
 
 
 
 
 
Projected benefit obligation—beginning of year
$

 
$
134,453

 
$
78,188

 
$
84,106

 
$
78,188

 
$
218,559

Service cost

 

 
1,599

 
1,466

 
1,599

 
1,466

Interest cost

 
4,591

 
1,374

 
1,828

 
1,374

 
6,419

Actuarial loss

 
1,606

 
10,556

 
1,988

 
10,556

 
3,594

Foreign exchange impact

 

 
2,431

 
(9,515
)
 
2,431

 
(9,515
)
Participant contributions

 

 
147

 
198

 
147

 
198

Benefits paid

 
(5,300
)
 
(1,600
)
 
(1,883
)
 
(1,600
)
 
(7,183
)
Settlements

 
(135,350
)
 

 

 

 
(135,350
)
Projected benefit obligation—end of year
$

 
$

 
$
92,695

 
$
78,188

 
$
92,695

 
$
78,188

Change in plan assets and funded status:
 
 
 
 
 
 
 
 
 
 

Plan assets at fair value—beginning of year
$

 
$
112,859

 
$
57,961

 
$
44,491

 
$
57,961

 
$
157,350

Actual return on plan assets

 
2,316

 
1,742

 
(438
)
 
1,742

 
1,878

Employer contributions

 
25,475

 
1,978

 
21,225

 
1,978

 
46,700

Participant contributions

 

 
147

 
198

 
147

 
198

Foreign exchange impact

 

 
1,707

 
(5,632
)
 
1,707

 
(5,632
)
Settlements

 
(135,350
)
 

 

 

 
(135,350
)
Benefits paid

 
(5,300
)
 
(1,600
)
 
(1,883
)
 
(1,600
)
 
(7,183
)
Plan assets at fair value—end of year

 

 
61,935

 
57,961

 
61,935

 
57,961

Projected benefit obligation—end of year

 

 
92,695

 
78,188

 
92,695

 
78,188

Underfunded status
$

 
$

 
$
(30,760
)
 
$
(20,227
)
 
$
(30,760
)
 
$
(20,227
)
Accumulated benefit obligation—end of year
$

 
$

 
$
88,768

 
$
74,928

 
$
88,768

 
$
74,928

Amounts recognized in the balance sheet:
 
 
 
 
 
 
 
 
 
 
 
Non-current liability
$

 
$

 
$
(30,760
)
 
$
(20,227
)
 
$
(30,760
)
 
$
(20,227
)
Current liability
$

 
$

 
$

 
$

 
$

 
$

Amounts in accumulated other comprehensive loss:
 
 
 
 
 
 
 
 
 
 
 
Unrecognized actuarial loss
$

 
$

 
$
38,667

 
$
28,339

 
$
38,667

 
$
28,339

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year
The following table shows change in accumulated other comprehensive loss:

 
U.S. Plan
 
International Plans
 
Total
 
Year ended September 30,
 
2016
 
2015
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
Accumulated other comprehensive loss- beginning of year
$

 
$
68,256

 
$
28,339

 
$
27,669

 
$
28,339

 
$
95,925

Recognized during year - net actuarial (losses)

 
(2,577
)
 
(2,288
)
 
(1,811
)
 
(2,288
)
 
(4,388
)
Occurring during year - settlement loss

 
(66,332
)
 

 

 

 
(66,332
)
Occurring during year - net actuarial losses

 
653

 
12,119

 
5,792

 
12,119

 
6,445

Foreign exchange impact

 

 
497

 
(3,311
)
 
497

 
(3,311
)
Accumulated other comprehensive loss- end of year
$

 
$

 
$
38,667

 
$
28,339

 
$
38,667

 
$
28,339

Percentage Of Total Plan Assets
The following table shows the percentage of total plan assets for each major category of plan assets:
 
 
International Plans
 
September 30,
 
2016
 
2015
Asset category:
 
 
 
Equity securities
49%
 
53%
Fixed income securities
30%
 
32%
Commodities
4%
 
—%
Insurance company
16%
 
13%
Cash
1%
 
2%
 
100%
 
100%
Expected Future Benefit Payments
As of September 30, 2016, benefit payments expected to be paid over the next ten years are outlined in the following table:
 
 
Future Benefit Payments
 
(in thousands)
Year ending September 30,
 
2017
$
1,899

2018
2,314

2019
2,566

2020
2,861

2021
3,175

2022 to 2026
22,034

International Plan Assets [Member]  
Schedule of Available-for-sale Securities [Line Items]  
Fair Value Of Plan Assets
 
September 30, 2016
 
Level 1
 
Level 2
 
Level 3
 
Total
 
(in thousands)
International plan assets:
 
 
 
 
 
 
 
Fixed income securities:
 
 
 
 
 
 
 
Government
$
8,518

 
$

 
$

 
$
8,518

Europe corporate investment grade
10,218

 

 

 
10,218

Europe large capitalization stocks
30,615

 

 

 
30,615

Commodities
2,709

 

 

 
2,709

Insurance company funds (1)

 
9,578

 

 
9,578

Cash
297

 

 

 
297

 
$
52,357

 
$
9,578

 
$

 
$
61,935

 
September 30, 2015
 
Level 1
 
Level 2
 
Level 3
 
Total
 
(in thousands)
International plan assets:
 
 
 
 
 
 
 
Fixed income securities:
 
 
 
 
 
 
 
Government
$
11,086

 
$

 
$

 
$
11,086

Europe corporate investment grade
7,487

 

 

 
7,487

Europe large capitalization stocks
30,887

 

 

 
30,887

Insurance company funds (1)

 
7,668

 

 
7,668

Cash
833

 

 

 
833

 
$
50,293

 
$
7,668

 
$

 
$
57,961


 (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.