Acquisitions - Additional Information (Detail) - USD ($)			12 Months Ended
	May. 29, 2014	Nov. 04, 2013	Jan. 30, 2016	Jan. 31, 2015
Business Acquisition [Line Items]
Goodwill acquired				$ 499,400,000
364-Day Unsecured Bridge Facility | Bridge Loan
Business Acquisition [Line Items]
Debt issuance cost			$ 4,000,000
Zale Corporation
Business Acquisition [Line Items]
Percentage of outstanding shares acquired	100.00%
Business combination, price per share	$ 21
Total consideration transferred	$ 1,458,000,000
Cash paid to extinguish Zale Corporation outstanding debt as of May 29, 2014	478,200,000
Face amount	1,400,000,000
Deferred revenue recognition period of extended service plan sales			10 years
Initial accounting incomplete, adjustment, financial liabilities				$ 1,400,000,000
Acquisition related costs			$ 58,000,000
Property, plant and equipment acquired	103,600,000
Zale Corporation | Senior Unsecured Notes Due in 2024 | Senior Notes
Business Acquisition [Line Items]
Face amount	400,000,000
Zale Corporation | Two-Year Revolving Asset-Backed Variable Funding Notes | Revolving Credit Facility
Business Acquisition [Line Items]
Face amount	$ 600,000,000
Debt instrument, maturity period	2 years
Zale Corporation | Five-Year Unsecured Term Loan Facility | Credit Facility
Business Acquisition [Line Items]
Face amount	$ 400,000,000
Debt instrument, maturity period	5 years
Botswana Diamond Polishing Factory Acquisition
Business Acquisition [Line Items]
Total consideration transferred		$ 9,100,000
Property, plant and equipment acquired		5,500,000
Goodwill acquired		$ 3,600,000