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Fair Value Measurements
6 Months Ended
Jun. 30, 2015
Fair Value Disclosures [Abstract]  
Fair Value Measurements and Derivative Instruments
Fair Value Measurements

Recurring Fair Value Measurements
Assets and liabilities measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014 are as follows (amounts in thousands):
June 30, 2015
Level 1 (1)
 
Level 2 (2)
 
Level 3 (3)
 
Total
Assets:
 
 
 
 
 
 
 
Deferred compensation plan assets (mutual funds)
$
1,876

 

 

 
1,876

 
 
 
 
 
 
 
 
December 31, 2014
Level 1 (1)
 
Level 2 (2)
 
Level 3 (3)
 
Total
Assets:
 
 
 
 
 
 
 
Deferred compensation plan assets (mutual funds)
$
2,068

 

 

 
2,068

 
 
 
 
 
 
 
 
(1) Quoted prices in active markets for identical assets or liabilities
(2) Observable inputs other than quoted prices in active markets for identical assets and liabilities
(3) Inputs that are generally unobservable and not corroborated by market data


The fair value of our mutual funds is determined using quoted market prices in active markets utilizing market observable inputs.

Current and Long-Term Debt
The carrying amounts and approximate fair values of our current and long-term debt, excluding capital leases, at June 30, 2015 and December 31, 2014 are as follows (amounts in thousands):
 
June 30,
2015
 
December 31,
2014
 
Carrying Amount
 
Fair Value
 
Carrying Amount
 
Fair Value
Current and long-term debt
$
1,294,827

 
1,308,786

 
1,036,678

 
1,055,952



The following methods and assumptions were used to estimate fair values:
The fair values of the 6.75% Senior Notes due 2021 and the 6.875% Senior Notes due 2025 are based upon quoted market prices for the same or similar issues (Level 2).
The fair value of our Amended Senior Credit Facility and Wells Fargo note payable are estimated to approximate their carrying value because the instruments are subject to variable interest rates (Level 2).