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Debt (Tables)
3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]  
Schedule of Maturities of Long-term Debt
The aggregate mandatory principal payments due are as follows:
2015

$30.0
 million
2016

$150.0
 million
Debt Covenants and Fixed Charge Metrics
Relevant Fixed Charge metrics are detailed in the table below:
Periods
 
 
 
Q1 2014
 
Q2 2014
 
Q3 2014
Q4 2014
Q1 2015
Covenant Limit
 
 
 
1.75
 
1.75
 
1.75
1.75
1.75
Actual FCCR
 
 
 
2.69
 
2.65
 
2.70
2.58
2.36