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Financial Instruments and Fair Value Measurements
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Financial Instruments and Fair Value Disclosures [text block]
Financial Instruments and Fair Value Measurements
Fair Value of Financial Instruments
The carrying values of our financial instruments do not materially differ from the estimated fair values as of December 31, 2017 and 2016, except for the Company's long-term debt.
The carrying value and fair value of the Company’s long-term debt is as follows:
 
December 31, 2017
 
December 31, 2016
(dollars in millions)
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Long-term debt, including current portion*
$
1,687.1

 
$
1,687.5

 
$
1,149.2

 
$
1,177.9

   *Excludes capital leases and note issuance costs.
 
 
 
 
 
 
 

The fair value of debt instruments was based on closing or estimated market prices of the Company’s debt at December 31, 2017 and 2016, which is considered Level 2 of the fair value hierarchy.

Non-Recurring Fair Value Measurements
Certain long-lived assets, intangibles, and goodwill are required to be measured at fair value on a non-recurring basis subsequent to their initial measurement. These non-recurring fair value measurements generally occur when evidence of impairment has occurred. In 2016 and 2015, no assets were remeasured at fair value. During 2017, the following assets were remeasured at fair value in connection with impairment tests:
 
 
 
Fair Value Measurements Using
 
 
(dollars in millions)
Year Ended
December 31, 2017
 
Quoted Prices in Active Markets for Identical Assets (Level 1)
 
Significant Other Observable Inputs (Level 2)
 
Significant Unobservable Inputs (Level 3)
 
Impairment Losses
Equity method investment:
 
 
 
 
 
 
 
 
 
Equity method investment

 

 

 

 
$
(4.7
)
       Impairment of equity method investment
 
 
 
 
 
 
 
 
$
(4.7
)

In the third quarter of 2017, an equity method investment recorded within “Other noncurrent assets” in the Consolidated Balance Sheets was remeasured at fair value due to a triggering event identified by management. As a result of the fair value analysis, the entire carrying value of $4.7 million was impaired and recorded to "Other expense (income), net" on the Consolidated Statements of Operations. This fair value measurement is considered a Level 3 measurement due to the significance of its unobservable inputs.