Pension Plans - Change in UK Benefit Obligation (Details) - Foreign Pension Plan, Defined Benefit - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 258.8	$ 226.3
Service cost	2.6	2.3	$ 2.4
Past service cost	0.6	0.9
Interest cost	7.7	9.7	9.3
Members’ contributions	0.7	0.7
Actuarial (gain) loss	(29.4)	47.5
Benefits paid	(11.2)	(10.2)
Foreign currency changes	(14.9)	(18.4)
Benefit obligation at end of year	214.9	258.8	$ 226.3
Funded status at end of year: UK Plan assets less benefit obligation	$ 51.3	$ 37.0