Debt (Tables)

9 Months Ended

Sep. 30, 2013

Debt

Schedule of future debt payments

(in millions)	Long-term debt (excluding interest payments)
2013 (1)	$	1.4
2014	5.5
2015	5.5
2016	5.5
2017	5.5
Thereafter	1,123.9
Total	$	1,147.3

(1) Represents long-term debt principal payments for the three month period ended December 31, 2013.

Summary of the interest expense, accretion of debt discount, amortization of the deferred financing fees and interest capitalized

	For the three months ended September 30,						For the nine months ended September 30,
(in millions)	2013			2012			2013			2012
Interest	$	13.4		$	7.5		$	37.7		$	22.4
Accretion of debt discount, deferred financing amortization and line of credit fees	1.8			0.9			5.1			2.8
Capitalized interest	(14.4		)	(6.4		)	(39.0		)	(17.3		)
Interest expense	$	0.8		$	2.0		$	3.8		$	7.9
Interest income	(0.1		)	(0.1		)	(0.3		)	(0.2		)
Interest expense, net	$	0.7		$	1.9		$	3.5		$	7.7