Investment (Table)

12 Months Ended

Dec. 31, 2015

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):

	2015											2014
	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	$	51.9	$	0.5	$	(0.4	)	$	52.0	$	52.0	$	42.5	$	0.6	$	(0.1	)	$	43.0	$	43.0
Trading investments	7.3		2.4		—			9.7		9.7		6.6		2.3		—			8.9		8.9
TOTAL INVESTMENTS	$	59.2	$	2.9	$	(0.4	)	$	61.7	$	61.7	$	49.1	$	2.9	$	(0.1	)	$	51.9	$	51.9

Schedule of Contractual Maturities of Available-For-Sale Investments

Contractual maturities of available-for-sale investments at December 31, 2015 were as follows (in millions):

	Amortized Cost		Fair Value
Available-for-sale investments
Due within 1 year	$	12.2	$	12.2
After 1 year but within 5 years	32.5		32.5
After 5 years but within 10 years	7.2		7.3
Due after 10 years	—		—
TOTAL	$	51.9	$	52.0