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Postretirement And Other Employee Benefits (Tables)
12 Months Ended
Aug. 31, 2011
Postretirement And Other Employee Benefits 
Reconciliation Of Change In The Benefit Obligations
     Pension Benefits  
     2011     2010  

Beginning projected benefit obligation

   $ 133,683      $ 129,603   

Service cost

     1,494        1,389   

Interest cost

     5,715        5,681   

Actuarial (gain) loss

     (5,502     12,791   

Curtailment gain

     (597     —     

Total benefits paid

     (4,236     (4,410

Plan participant contribution

     69        66   

Amendments

     —          242   

Acquisitions/disposals

     2,073        (6,149

Effect of conversion to U.S. dollars

     5,175        (5,530
  

 

 

   

 

 

 

Ending projected benefit obligation

   $ 137,874      $ 133,683   
  

 

 

   

 

 

 
Weighted-Average Actuarial Assumptions Used To Determine The Benefit Obligations
     Pension Benefits  
     2011     2010  

Discount rate

     4.9     4.1

Rate of compensation increases

     4.2     3.9
Fair Value Of Plan Assets Held By The Company
Reconciliation Of The Changes In The Pension Plan Assets
     Pension Benefits  
     2011     2010  

Beginning fair value of plan assets

   $ 85,571      $ 81,494   

Actual return on plan assets

     8,209        8,208   

Employer contributions

     3,754        4,303   

Benefits paid from plan assets

     (3,536     (3,439

Plan participants' contributions

     69        66   

Effect of conversion to U.S. dollars

     5,170        (5,061
  

 

 

   

 

 

 

Ending fair value of plan assets

   $ 99,237      $ 85,571   
  

 

 

   

 

 

 
Reconciliation Of The Funded Status Of The Plans
     Pension Benefits  
     August 31, 2011     August 31, 2010  

Funded Status

    

Ending fair value of plan assets

   $ 99,237      $ 85,571   

Ending projected benefit obligation

     (137,874     (133,683
  

 

 

   

 

 

 

Under or unfunded status

   $ (38,637   $ (48,112
  

 

 

   

 

 

 

Consolidated Balance Sheet Information

    

Accrued benefit liability, current

   $ (95   $ (598

Accrued benefit liability, noncurrent

     (38,542     (47,514
  

 

 

   

 

 

 

Net liability recorded at August 31

   $ (38,637   $ (48,112
  

 

 

   

 

 

 

Amounts recognized in accumulated other comprehensive loss consist of:

    

Net actuarial loss

   $ 25,534      $ 32,908   

Prior service cost

     (173     (179
  

 

 

   

 

 

 

Accumulated other comprehensive loss, before taxes

   $ 25,361      $ 32,729   
  

 

 

   

 

 

 
Estimated Amount That Will Be Amortized From Accumulated Other Comprehensive Loss Into Net Periodic Benefit Cost
     Pension Benefits  

Recognized net actuarial loss

   $ 1,259   

Amortization of prior service cost

     (28
  

 

 

 

Total

   $ 1,231   
  

 

 

 
Information For Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets
     August 31,  
     2011      2010  

Projected benefit obligation

   $ 137,874       $ 133,683   

Accumulated benefit obligation

     126,310         121,564   

Fair value of plan assets

     99,237         85,571   
Net Periodic Benefit Cost
     Pension Benefits  
     2011     2010     2009  

Service cost

   $ 1,494      $ 1,389      $ 1,759   

Interest cost

     5,715        5,681        6,779   

Expected long-term return on plan assets

     (4,474     (4,270     (4,731

Recognized actuarial loss

     2,073        1,303        874   

Net curtailment gain

     (1,903     —          (4,608

Amortization of prior service cost

     (27     (115     (39
  

 

 

   

 

 

   

 

 

 

Net periodic benefit cost

   $ 2,878      $ 3,988      $ 34   
  

 

 

   

 

 

   

 

 

 
Weighted-Average Actuarial Assumptions Used To Determine Net Periodic Benefit Cost
     Pension Benefits  
     2011     2010     2009  

Discount rate

     4.9     4.1     5.7

Expected long-term return on plan assets

     4.2     4.0     4.9

Rate of compensation increase

     4.2     3.9     4.5
Estimated Future Benefit Payments

Fiscal Year Ending August 31,

   Pension
Benefits
 

2012

   $ 3,915   

2013

   $ 4,294   

2014

   $ 4,590   

2015

   $ 4,698   

2016

   $ 5,172   

Years 2017 through 2021

   $ 36,048