Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements and Derivative Instrument (Tables)

v3.8.0.1
Fair Value Measurements and Derivative Instrument (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Assets and Liabilities Measured on Recurring Basis
Assets and liabilities measured at fair value on a recurring basis as of December 31, 2017 and 2016 are as follows (amounts in thousands):
December 31, 2017
Level 1 (1)
 
Level 2 (2)
 
Level 3 (3)
 
Total
Assets:
 
 
 
 
 
 
 
Deferred compensation plan assets (mutual funds)
$
1,323

 

 

 
1,323

Liabilities:
 
 
 
 
 
 
 
Derivative stock appreciation rights
$

 

 
78,330

 
78,330

 
 
 
 
 
 
 
 
December 31, 2016
Level 1 (1)
 
Level 2 (2)
 
Level 3 (3)
 
Total
Assets:
 
 
 
 
 
 
 
Deferred compensation plan assets (mutual funds)
$
1,477

 

 

 
1,477

Liabilities:
 
 
 
 
 
 
 
Derivative stock appreciation rights
$

 

 
29,700

 
29,700

 
 
 
 
 
 
 
 
(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
Fair Value, by Balance Sheet Grouping
The carrying amounts and approximate fair values of our current and long-term debt, excluding capital leases at December 31, 2017 and 2016 are as follows (amounts in thousands):
 
December 31, 2017
 
December 31, 2016
 
Carrying Amount
 
Fair Value
 
Carrying Amount
 
Fair Value
Current and long-term debt
$
1,382,048

 
1,458,106

 
1,336,772

 
1,393,865

Significant Assumptions and Inputs on Stock Appreciation Right Liability
The following table shows our significant assumptions and inputs used in the lattice-based valuation model to value the stock appreciation right liability at December 31, 2017 and 2016:

 
2017
2016
Contractual term (in years)
1.1 - 5.1

2.1 - 6.1

Volatility
25% to 37.5%

37.5
%
Risk-free interest rate
1.3 to 2.2%

2.1
%
Stock Price
$
39.02

$
19.45

Changes in Fair Value of Financial Instruments on Recurring Basis
The following table summarizes the changes in fair value of all financial instruments measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the years ended December 31, 2017, 2016, and 2015:
Fair Value Measurement Using Level 3 Inputs
 
Derivative Stock Appreciation Rights
Balance at January 1, 2015
$

Issuance
21,660

Fair value adjustment at end of period, included in Other Income (Expense)
11,160

Balance at December 31, 2015
$
32,820

Fair value adjustment at end of period, included in Other Income (Expense)
(3,120
)
Balance at December 31, 2016
$
29,700

Fair value adjustment at end of period, included in Other Income (Expense)
48,630

Balance at December 31, 2017
$
78,330