Investment (Table)

12 Months Ended

Dec. 31, 2014

Investments [Abstract]

Schedule of Investments, Amortized Cost Basis

The following table sets forth selected data with respect to the Company’s investments at December 31, (in millions):

	2014											2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Carrying Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Carrying Value
Available-for-sale investments	$	42.5	$	0.6	$	(0.1	)	$	43.0	$	43.0	$	38.0	$	0.6	$	—	$	38.6	$	38.6
Trading investments	6.6		2.3		—			8.9		8.9		5.4		1.9		—		7.3		7.3
TOTAL INVESTMENTS	$	49.1	$	2.9	$	(0.1	)	$	51.9	$	51.9	$	43.4	$	2.5	$	—	$	45.9	$	45.9

Schedule of Contractual Maturities of Available-For-Sale Investments

Contractual maturities of available-for-sale investments at December 31, 2014 were as follows (in millions):

	Amortized Cost		Fair Value
Available-for-sale investments
Due within 1 year	$	7.7	$	7.8
After 1 year but within 5 years	26.9		27.4
After 5 years but within 10 years	7.9		7.8
Due after 10 years	—		—
TOTAL	$	42.5	$	43.0