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Employee Benefit Plans (Tables)
 12 Months Ended
Sep. 30, 2012
Pension and Other Postretirement Benefit Expense [Abstract]  
Schedule of Expected Benefit Payments [Table Text Block]
The Company’s expected future pension benefit payments for Fiscal 2013 through its fiscal year 2022 are as follows:
 
 
 
2013
$
9,697

2014
8,783

2015
9,122

2016
9,492

2017
9,775

2018-2022
56,072
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]
The following tables provide additional information on the Company’s pension and other postretirement benefit plans:
 
 
 
 
 
Pension and Deferred
Compensation Benefits
 
Other Benefits
 
 
2012
 
2011
 
2012
 
2011
Change in benefit obligation
 
 
 
 
 
 
 
 
 
 
 
 
Benefit obligation, beginning of year
 
$
209,472
 
 
$
214,977
 
 
$
542

 
$
527

Service cost
 
2,048
 
 
2,543
 
 
12

 
11

Interest cost
 
10,593
 
 
10,380
 
 
27

 
27

Actuarial (gain) loss
 
29,834
 
 
(9,027
)
 
(14
)
 
(21
)
Participant contributions
 
182
 
 
189
 
 
—

 
—

Benefits paid
 
(9,354
)
 
(8,685
)
 
(1
)
 
(2
)
Foreign currency exchange rate changes
 
(1,969
)
 
(905
)
 
—

 
—

Benefit obligation, end of year
 
$
240,806
 
 
$
209,472
 
 
$
566

 
$
542

Change in plan assets
 
 
 
 
 
 
 
 
 
 
 
 
Fair value of plan assets, beginning of year
 
$
130,641
 
 
$
125,566
 
 
$
—

 
$
—

Actual return on plan assets
 
20,112
 
 
(100
)
 
—

 
—

Employer contributions
 
12,587
 
 
14,486
 
 
1

 
2

Employee contributions
 
182
 
 
189
 
 
—

 
—

Benefits paid
 
(9,354
)
 
(8,685
)
 
(1
)
 
(2
)
Plan expenses paid
 
—
 
 
(226
)
 
—

 
—

Foreign currency exchange rate changes
 
(241
)
 
(589
)
 
—

 
—

Fair value of plan assets, end of year
 
$
153,927
 
 
$
130,641
 
 
$
—

 
$
—

Accrued Benefit Cost
 
$
(86,879
)
 
$
(78,831
)
 
$
(566
)
 
$
(542
)
Range of assumptions:
 
 
 
 
 
 
 
 
 
 
 
 
Discount rate
 
4.0
%
-
13.5
%
 
4.2
%
-
13.6
%
 
4.0
%
 
5.0
%
Expected return on plan assets
 
4.0
%
-
7.8
%
 
3.0
%
-
7.8
%
 
N/A

 
N/A

Rate of compensation increase
 
2.3
%
-
5.5
%
 
0.0
%
-
5.5
%
 
N/A

 
N/A
Schedule of Net Benefit Costs [Table Text Block]
 
 
Pension and Deferred Compensation Benefits
 
Other Benefits
 
 
2012
 
2011
 
2010
 
2012
 
2011
 
2010
Components of net periodic benefit cost
 
 
 
 
 
 
 
 
 
 
 
 
Service cost
 
$
2,048

 
$
2,543

 
$
2,479

  
$
12

 
$
11

 
$
9

Interest cost
 
10,593

 
10,380

 
8,239

  
27

 
27

 
26

Expected return on assets
 
(8,225
)
 
(7,829
)
 
(5,774
)
 
—

 
—

 
—

Amortization of prior service cost
 
72

 
—

 
535

  
—

 
—

 
—

Amortization of transition obligation
 
—

 
—

 
207

  
—

 
—

 
—

Recognized net actuarial (gain) loss
 
828

 
8

 
613

  
(54
)
 
(52
)
 
(58
)
Net periodic cost (benefit)
 
$
5,316

 
$
5,102

 
$
6,299

  
$
(15
)
 
$
(14
)
 
$
(23
)
Schedule of Allocation of Plan Assets [Table Text Block]
Below is a summary allocation of all pension plan assets as of the measurement date.
 
 
 
 
Weighted Average
Allocation
 
 
Target
 
Actual
Asset Category
 
2012
 
2012
 
2011
Equity Securities
 
0
-
60
%
 
49
%
 
46
%
Fixed Income Securities
 
0
-
40
%
 
20
%
 
21
%
Other
 
0
-
100
%
 
31
%
 
33
%
Total
 
100%
 
100
%
 
100
%
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
The Company’s net derivative portfolio as of September 30, 2012, contains Level 2 instruments and consists of commodity and foreign exchange contracts. The fair values of these instruments as of September 30, 2012 were as follows:
 
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
 
Commodity contracts, net
 
$
—

 
$
1,993

 
$
—

 
$
1,993

Total Assets
 
$
—

 
$
1,993

 
$
—

 
$
1,993

Liabilities:
 
 
 
 
 
 
 
 
Foreign exchange contracts, net
 
$
—

 
$
(8,721
)
 
$
—

 
$
(8,721
)
Total Liabilities
 
$
—

 
$
(8,721
)
 
$
—

 
$
(8,721
)
The Company’s net derivative portfolio as of September 30, 2011, contains Level 2 instruments and consists of commodity, interest rate and foreign exchange contracts. The fair values of these instruments as of September 30, 2011 were as follows:
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Total Assets
 
$
—

 
$
—

 
$
—

 
$
—

Liabilities:
 
 
 
 
 
 
 
 
Interest rate contracts
 
$
—

 
$
(1,954
)
 
$
—

 
$
(1,954
)
Commodity contracts
 
—

 
(958
)
 
—

 
(958
)
Foreign exchange contracts, net
 
—

 
(22,490
)
 
—

 
(22,490
)
Total Liabilities
 
$
—

 
$
(25,402
)
 
$
—


$
(25,402
)