Investments

Investments in debt and equity securities are held by certain insurance subsidiaries and are reported as other assets in the accompanying condensed consolidated balance sheets. Investments are recorded at fair value based on quoted market prices for identical or similar securities in active markets. All investments are classified as available-for-sale and include the following:



	August 1, 2015							January 31, 2015							August 2, 2014
(in millions)	Cost		Unrealized Gain (Loss)			Fair Value		Cost		Unrealized Gain (Loss)			Fair Value		Cost		Unrealized Gain (Loss)			Fair Value
US Treasury securities	$	9.2	$	(0.3	)	$	8.9	$	9.7	$	(0.1	)	$	9.6	$	10.0	$	(0.1	)	$	9.9
US government agency securities	1.0		(0.1		)	0.9		1.4		—			1.4		1.3		—			1.3
Corporate bonds and notes	9.9		—			9.9		10.6		0.2			10.8		8.7		(0.1		)	8.6
Corporate equity securities	3.4		0.1			3.5		3.5		(0.1		)	3.4		2.5		—			2.5
Total investments	$	23.5	$	(0.3	)	$	23.2	$	25.2	$	—		$	25.2	$	22.5	$	(0.2	)	$	22.3

At August 1, 2015, the carrying value of investments included a net unrealized loss of $0.3 million, which is included in AOCI. Realized gains and losses on investments are determined on the specific identification basis. There were no material net realized gains or losses during the 13 and 26 weeks ended August 1, 2015 (13 and 26 weeks ended August 2, 2014: none). Investments with a carrying value of $7.2 million were on deposit with various state insurance departments at August 1, 2015 (January 31, 2015 and August 2, 2014: $7.2 million and $7.4 million, respectively), as required by law.

Investments in debt securities outstanding as of August 1, 2015 mature as follows:



(in millions)	Cost		Fair Value
Less than one year	$	1.5	$	1.5
Year two through year five	10.6		10.3
Year six through year ten	7.9		7.8
After ten years	0.1		0.1
Total investment in debt securities	$	20.1	$	19.7