Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

At March 31, 2015, long-term debt principal payments for the next five years and thereafter are as follows:

	March 31, 2015
	(in millions)
remainder of 2015	$	17.2
2016	23.8
2017	24.9
2018	26.2
2019	27.4
2020 and thereafter	210.9
Total debt principal payments	$	330.4

Schedule of Long-term Debt

Long-term debt is comprised of the following:    

	As of				Three Months Ended March 31,
	March 31, 2015		December 31, 2014		2015		2014
	(in millions)				(weighted-average interest rates)
Senior term loans due through 2026 - 2027	$	298.9	$	132.0	4.10	%	N/A
Junior term loans due through 2021 - 2022	31.5		16.0		6.89	%	N/A
Long-term debt	$	330.4	$	148.0
Less current maturities	22.2		10.4
Less unamortized discounts, net	5.5		2.4
Total	$	302.8	$	135.2

Schedule of Interest Expense, Long-term Debt

Interest expense related to debt consists of the following:

	Three Months Ended March 31,
	2015		2014
	(in thousands)
Senior term loans	$	2,194	$	—
Junior term loans	419		—
Amortization of debt discounts	159		—
Total	$	2,772	$	—