Cash, Cash Equivalents and Available-for-sale Securities (Tables)

9 Months Ended

Sep. 30, 2015

Cash, Cash Equivalents and Available-for-sale Securities

Summary of available-for-sale securities

The following tables summarize the available-for-sale securities held at September 30, 2015 and December 31, 2014 (in millions):

	Fair Value
September 30, 2015
U.S. Treasury securities	$	50.0
U.S. government sponsored entity securities	50.1

Total	$	100.1

	Fair Value
December 31, 2014
U.S. Treasury securities	$	49.9
U.S. government sponsored entity securities	—
Total	$	49.9

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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