Components Of Net Periodic Pension Cost (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Components of net periodic benefit cost:
Service cost	$ (3.6)	$ (4.8)	$ (5.5)
Interest cost	(9.5)	(10.7)	(10.1)
Expected return on UK Plan assets	11.5	13.8	12.4
Amortization of unrecognized net prior service credit	1.6	1.0	1.0
Amortization of unrecognized actuarial loss	(3.2)	(2.6)	(4.8)
Net periodic benefit cost	(3.2)	(3.3)	(7.0)
Other changes in assets and benefit obligations recognized in other comprehensive income (loss)	6.7	(1.7)	20.0
Total recognized in net periodic benefit cost and other comprehensive income (loss)	$ 3.5	$ (5.0)	$ 13.0