Other assets (Tables)

9 Months Ended

Oct. 31, 2015

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other Assets

(in millions)	October 31, 2015		January 31, 2015		November 1, 2014
Deferred extended service plan selling costs	$	74.6	$	69.7	$	64.8
Investments(1)	25.0		25.2		23.5
Other assets	44.9		45.1		45.2
Total other assets	$	144.5	$	140.0	$	133.5