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Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2016
Fair Value [Abstract]  
Assets and Liabilities Measured At Fair Value on Recurring Basis

The Company’s assets and liabilities measured at fair value on a recurring basis at March 31, 2016 and December 31, 2015, were as follows: 



 

 

 

 

 

 

 

 

 

 

 

 



 

Fair Value Measurement at March 31, 2016 Using



 

Total

 

Quoted Prices in Active Markets for Identical Assets
(Level 1)

 

Significant Other Observable Inputs
(Level 2)

 

Significant Unobservable Inputs
(Level 3)

Interest rate swap derivative instruments – net liability position

 

$

 (14,725)

 

$

-

 

$

 (14,725)

 

$

-

Fuel hedge derivative instruments – net liability position

 

$

 (9,404)

 

$

-

 

$

-

 

$

 (9,404)

Restricted assets

 

$

 46,337 

 

$

-

 

$

 46,337 

 

$

-

Contingent consideration

 

$

 (47,638)

 

$

-

 

$

-

 

$

 (47,638)





 

 

 

 

 

 

 

 

 

 

 

 



 

Fair Value Measurement at December 31, 2015 Using



 

Total

 

Quoted Prices in Active Markets for Identical Assets
(Level 1)

 

Significant Other Observable Inputs
(Level 2)

 

Significant Unobservable Inputs
(Level 3)

Interest rate swap derivative instruments – net liability position

 

$

 (9,745)

 

$

-

 

$

 (9,745)

 

$

-

Fuel hedge derivative instrument – net liability position

 

$

 (9,900)

 

$

-

 

$

-

 

$

 (9,900)

Restricted assets

 

$

 46,148 

 

$

-

 

$

 46,148 

 

$

-

Contingent consideration

 

$

 (49,394)

 

$

-

 

$

-

 

$

 (49,394)



Change in Fair Value for Level 3 Derivatives

The following table summarizes the changes in the fair value for Level 3 derivatives for the three months ended March 31, 2016 and 2015:





 

 

 

 

 



Three Months Ended March 31,



 

2016

 

 

2015

Beginning balance

$

 (9,900)

 

$

 (1,979)

Realized losses included in earnings

 

 1,801 

 

 

 614 

Unrealized losses included in AOCL

 

 (1,305)

 

 

 (516)

Ending balance

$

 (9,404)

 

$

 (1,881)



 

 

 

 

 



Fair Value for Level 3 Liabilities

The following table summarizes the changes in the fair value for Level 3 liabilities related to contingent consideration for the three months ended March 31, 2016 and 2015: 



 

 

 

 

 



Three Months Ended March 31,



 

2016

 

 

2015

Beginning balance

$

 49,394 

 

$

 70,165 

Contingent consideration recorded at acquisition date

 

 220 

 

 

 515 

Payment of contingent consideration recorded at acquisition date

 

 (2,217)

 

 

-

Payment of contingent consideration recorded in earnings

 

 (33)

 

 

-

Adjustments to contingent consideration

 

 (75)

 

 

 808 

Interest accretion expense

 

 349 

 

 

 960 

Ending balance

$

 47,638 

 

$

 72,448