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Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]  
Schedule of Carrying and Estimated Fair Value of Other Financial Instruments

The following table presents the carrying amounts and estimated fair values of our other financial instruments at December 31, 2015 and 2014:

 

 

 

December 31,

 

 

 

2015

 

 

2014

 

 

 

Carrying

 

 

Estimated

 

 

Carrying

 

 

Estimated

 

 

 

Amount

 

 

Fair Value

 

 

Amount

 

 

Fair Value

 

Liabilities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Acquisition-related contingent consideration, including

   current portion (1)

 

$

4,394

 

 

$

4,394

 

 

$

6,338

 

 

$

6,338

 

Long-term debt, including current portion

 

 

500,000

 

 

 

513,500

 

 

 

711,000

 

 

 

735,000

 

Total

 

$

504,394

 

 

$

517,894

 

 

$

717,338

 

 

$

741,338

 

 

(1)

The short-term portion is included in “Accounts payable, accrued expenses and other.” The long-term portion is included in “Other liabilities.”