Pension Plans - Components of Net Periodic Pension Cost (Details) - Foreign Pension Plan, Defined Benefit - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ (2.6)	$ (2.3)	$ (2.4)
Interest cost	(7.7)	(9.7)	(9.3)
Expected return on UK Plan assets	11.5	14.7	13.0
Amortization of unrecognized net prior service credit	2.2	1.7	1.5
Amortization of unrecognized actuarial loss	(3.4)	(2.0)	(2.3)
Net periodic pension benefit (cost)	0.0	2.4	0.5
Other changes in assets and benefit obligations recognized in OCI	14.4	(21.0)	0.1
Total recognized in net periodic pension benefit (cost) and OCI	$ 14.4	$ (18.6)	$ 0.6