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Commitments, Guarantees and Contingencies: (Tables)
9 Months Ended
Sep. 30, 2013
Commitments, Guarantees and Contingencies:  
Commitments and financial arrangements

      Commitments, Guarantees and Contingencies:  Commitments and financial arrangements at September 30, 2013, included the following (in millions):

 

Standby letters of credit (a)

 

$

5.8

Performance and customs bonds (b)

 

$

20.4

Benefit plan withdrawal obligations (c)

 

$

102.1