Marketable Securities

6 Months Ended

Dec. 31, 2013

Marketable Securities

Marketable Securities

3.         Marketable Securities

The fair value of the Company’s marketable securities was based on estimates of fair value as of December 31, 2013 and June 30, 2013. The following is a summary of marketable securities, all of which were classified as available-for-sale as of December 31, 2013 and June 30, 2013:

December 31, 2013			Unrealized		Estimated
($ in millions)	Cost		Losses		Fair Value
Non-current
Municipal auction rate securities	$	5.9	$	(0.4)	$	5.5
June 30, 2013			Unrealized		Estimated
($ in millions)	Cost		Losses		Fair Value
Non-current
Municipal auction rate securities	$	5.9	$	(0.5)	$	5.4

For the six months ended December 31, 2013 and 2012, proceeds from sales and maturities of marketable securities were $0.0 million.