Organization and Critical Accounting Policies - Narrative (Details) $ in Millions	3 Months Ended				12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 30, 2016 USD ($) Segment	Jan. 31, 2015 USD ($)	Feb. 01, 2014 USD ($)
Property, Plant and Equipment [Line Items]
Interest-free financing period					1 year
Number of reportable segments | Segment					5
Organization and critical accounting policies [Abstract]
Percent of annual sales	40.00%	20.00%	20.00%	20.00%
Advertising and promotional costs [Abstract]
Advertising expense | $					$ 384.2	$ 333.0	$ 253.8
In-house customer finance programs [Abstract]
Accrued interest suspension period					90 days
Accounts Receivable [Abstract]
Loss allowance, maturity period					90 days
Percentage allowance on losses					100.00%
Property, Plant and Equipment [Abstract]
Average minimum payment for customer finance programs					0.00%
Minimum
Organization and critical accounting policies [Abstract]
Operating income expected in fourth quarter					45.00%
Property, Plant and Equipment [Abstract]
Period over which amortization is charged for capitalized payroll for internal use computer projects					3 years
Maximum
Organization and critical accounting policies [Abstract]
Operating income expected in fourth quarter					55.00%
Property, Plant and Equipment [Abstract]
Period over which amortization is charged for capitalized payroll for internal use computer projects					5 years
Sterling Jewelers | Minimum
Organization and critical accounting policies [Abstract]
Operating income expected in fourth quarter					40.00%
Sterling Jewelers | Maximum
Organization and critical accounting policies [Abstract]
Operating income expected in fourth quarter					45.00%
Theft Protection | Zale
Revenue Recognition [Abstract]
Product warranty					2 years
Lifetime Warranty | Sterling Jewelers
Revenue Recognition [Abstract]
Deferred revenue recognition period of extended service plan sales	2 years				17 years
Revenue recognized percentage In relation to costs expected to be incurred within first two years	42.00%				57.00%	45.00%	45.00%
Lifetime Warranty | Zale
Revenue Recognition [Abstract]
Revenue recognized percentage In relation to costs expected to be incurred within first two years					69.00%	69.00%
Product warranty					10 years
Watch Warranty | Zale
Revenue Recognition [Abstract]
Product warranty					2 years
Breakage Warranty | Zale
Revenue Recognition [Abstract]
Product warranty					1 year
Breakage Warranty | Piercing Pagoda
Revenue Recognition [Abstract]
Product warranty					1 year
Jewelry Replacement Plan | Sterling Jewelers
Revenue Recognition [Abstract]
Deferred revenue recognition period of extended service plan sales					3 years