Investments (Tables)

6 Months Ended

Jul. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of available for sale securities

All investments are classified as available-for-sale and include the following:

	July 30, 2016							January 30, 2016							August 1, 2015
(in millions)	Cost		Unrealized gain (loss)			Fair Value		Cost		Unrealized gain (loss)			Fair Value		Cost		Unrealized gain (loss)			Fair Value
US Treasury securities	$	8.7	$	(0.4	)	$	8.3	$	9.2	$	(0.4	)	$	8.8	$	9.2	$	(0.3	)	$	8.9
US government agency securities	4.3		—			4.3		4.0		—			4.0		1.0		(0.1		)	0.9
Corporate bonds and notes	10.5		0.3			10.8		10.8		—			10.8		9.9		—			9.9
Corporate equity securities	3.5		0.1			3.6		3.5		(0.3		)	3.2		3.4		0.1			3.5
Total investments	$	27.0	$	—		$	27.0	$	27.5	$	(0.7	)	$	26.8	$	23.5	$	(0.3	)	$	23.2

Investments in debt securities outstanding as of July 30, 2016 mature as follows:

(in millions)	Cost		Fair Value
Less than one year	$	4.5	$	4.0
Year two through year five	11.7		11.8
Year six through year ten	7.3		7.6
After ten years	—		—
Total investment in debt securities	$	23.5	$	23.4