Payment Of Dividends (Parenthetical) (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended	1 Months Ended	3 Months Ended				6 Months Ended
	May 28, 2014	Feb. 27, 2014	Aug. 02, 2014	May 03, 2014	Feb. 01, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Dividends, Cash [Abstract]
Dividend paid	$ 14.4	$ 12.0	$ 14.4			$ 12.1	$ 26.4	$ 21.9
Dividend declared			$ 0.18	$ 0.18	$ 0.15	$ 0.15	$ 0.36	$ 0.30
Other current liabilities reflecting dividend			$ 14.4				$ 14.4
Dividend record date							Aug. 01, 2014
Dividend payment date							Aug. 27, 2014