Segment Reporting Information, by Segment (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Nov. 01, 2014	Nov. 01, 2014
Segment Reporting Information [Line Items]
Transaction related and integration expense	$ 11.4	$ 50.6
Zale Jewelry
Segment Reporting Information [Line Items]
Purchase accounting adjustments	11.0	20.4
Piercing Pagoda
Segment Reporting Information [Line Items]
Purchase accounting adjustments	$ 2.6	$ 4.7