Operating Results of the Acquired Business (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Business Acquisition, Impact on Operating Results [Line Items]
Sales	$ 1,177.9	$ 771.4	$ 3,459.9	$ 2,645.2
Operating loss	10.7	51.6	244.9	299.9
Net loss	(1.3)	33.6	153.3	192.8
Zale Corporation
Business Acquisition, Impact on Operating Results [Line Items]
Sales	331.4		578.9
Operating loss	(34.5)		(44.3)
Net loss	$ (22.6)		$ (29.6)