Investments (Tables)

12 Months Ended

Jan. 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:

	January 30, 2016							January 31, 2015
(in millions)	Cost		Unrealized Gain (Loss)			Fair Value		Cost		Unrealized Gain (Loss)			Fair Value
US Treasury securities	$	9.2	$	(0.4	)	$	8.8	$	9.7	$	(0.1	)	$	9.6
US government agency securities	4.0		—			4.0		1.4		—			1.4
Corporate bonds and notes	10.8		—			10.8		10.6		0.2			10.8
Corporate equity securities	3.5		(0.3		)	3.2		3.5		(0.1		)	3.4
Total investments	$	27.5	$	(0.7	)	$	26.8	$	25.2	$	—		$	25.2

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

(in millions)	Cost		Fair Value
Less than one year	$	4.8	$	4.6
Year two through year five	11.1		11.0
Year six through year ten	8.0		8.0
After ten years	0.1		—
Total investment in debt securities	$	24.0	$	23.6