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Financial Instruments And Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Summary Of Carrying Values And Fair Values Of Fixed Rate Debt
A summary of the aggregate carrying values and fair values of our fixed rate debt is as follows:
 
March 31,
2014
 
December 31,
2013
Carrying value
$
1,018.9

 
$
1,039.9

Fair value
$
1,116.6

 
$
1,135.2