Investments in Marketable Securities

3 Months Ended

Mar. 31, 2014

Marketable Securities [Abstract]

Investments in Marketable Securities

Investments in Marketable Securities

Investments in marketable securities at December 31, 2013 and March 31, 2014 were $157.9 million and $136.0 million, respectively. The following is a summary of the cost, gross unrealized gains and losses and fair value of investments classified as available-for-sale and trading at December 31, 2013 and March 31, 2014:

	Available-for-Sale						Trading
	December 31, 2013			March 31, 2014			December 31, 2013			March 31, 2014
Cost	$	103.2		$	103.1		$	17.9		$	18.1
Unrealized Gains	33.3			12.0			4.6			4.9
Unrealized Losses	(1.1		)	(2.1		)	(0.0		)	(0.0		)
Fair Value	$	135.4		$	113.0		$	22.5		$	23.0

The Company had no significant realized gains and losses on investments for the periods presented.