FAIR VALUE MEASUREMENTS (Tables)
 3 Months Ended
Mar. 31, 2015
Fair Value Disclosures [Abstract]  
Fair Values of Assets and Liabilities Measured on Recurring Basis
The Company's assets and liabilities and their fair values as of March 31, 2015 were as follows:
 
 
Quoted
Market Prices
(Level 1)
 
Significant
Other Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Fair Value
Assets measured on a recurring basis as of March 31, 2015:
 
 
 
 
 
 
 
 
Commercial Paper
 
$
—

 
$
129,895

 
$
—

 
$
129,895

Total
 
$
—

 
$
129,895

 
$
—

 
$
129,895

Liabilities measured on a recurring basis as of March 31, 2015:
 
 
 
 
 
 
 
 
Contingent Consideration
 
$
—

 
$
—

 
$
995

 
$
995

Total
 
$
—

 
$
—

 
$
995

 
$
995


The Company's assets and liabilities and their fair values as of December 31, 2014 were as follows:
 
 
Quoted
Market Prices
(Level 1)
 
Significant
Other Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Fair Value
Assets measured on a recurring basis as of December 31, 2014:
 
 
 
 
 
 
 
 
Commercial Paper
 
$
—

 
$
148,383

 
$
—

 
$
148,383

Total
 
$
—

 
$
148,383

 
$
—

 
$
148,383

Liabilities measured on a recurring basis as of December 31, 2014:
 
 
 
 
 
 
 
 
Contingent Consideration
 
$
—

 
$
—

 
$
1,000

 
$
1,000

Total
 
$
—

 
$
—

 
$
1,000

 
$
1,000
Schedule of Carrying Amounts and Fair Values of Financial Instruments
The carrying amounts and fair values of financial instruments for which the fair value option was not elected were as follows:
 
 
March 31, 2015
 
December 31, 2014
 
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Cash and cash equivalents
 
$
209,025

 
$
209,025

 
$
182,059

 
$
182,059

Current portion of long-term debt
 
$
113,121

 
$
127,372

 
$
111,645

 
$
119,522

Long-term debt
 
$
348,031

 
$
473,702

 
$
345,012

 
$
405,886