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Financial Instruments And Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2019
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 long-term debt is as follows:
 
March 31,
2019
 
December 31,
2018
Carrying value
$
1,969.4

 
$
1,970.5

Fair value
$
1,955.2

 
$
1,908.9

Nonfinancial Assets Measured and Recorded At Fair Value On A Nonrecurring Basis The following table presents nonfinancial assets measured and recorded at fair value on a nonrecurring basis during the three months ended March 31, 2019 and 2018:
 
 
2019
 
2018
Description
 
Fair Value
Measurements Using
Significant
Unobservable Inputs
(Level 3)
 
Gain/(Loss)
 
Fair Value
Measurements Using
Significant
Unobservable Inputs
(Level 3)
 
Gain/(Loss)
Right-of-use assets
 
$
0.1

 
$
(0.2
)
 
$

 
$

Long-lived assets held and used
 
$

 
$

 
$

 
$
(1.0
)
Long-lived assets held for sale in continuing operations
 
$

 
$

 
$
0.6

 
$
(0.3
)