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Commitments, Guarantees and Contingencies (Tables)
6 Months Ended
Jun. 30, 2012
Commitments, Guarantees and Contingencies [Abstract]  
Commitments and Financial Arrangements
Commitments and financial arrangements (excluding lease commitments disclosed in Note 8 of the Company's Form 10) at June 30, 2012, included the following (in millions):

 
Standby letters of credit related to real estate development projects
$11.9
 
 
Performance bonds related to real estate construction
$36.1