Investments (Tables)

6 Months Ended

Aug. 01, 2015

Investments, Debt and Equity Securities [Abstract]

Schedule of available for sale securities

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

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