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Warranty reserve (Tables)
 3 Months Ended
May 05, 2018
Other Liabilities Disclosure [Abstract]  
Other Liabilities
The warranty reserve for diamond and gemstone guarantee, included in accrued expenses and other current liabilities and other non-current liabilities, is as follows:
 
 
13 weeks ended
(in millions)
 
May 5, 2018
 
April 29, 2017
Warranty reserve, beginning of period
 
$
37.2

 
$
40.0

Warranty expense
 
1.4

 
2.3

Utilized(1)
 
(3.0
)
 
(3.1
)
Warranty reserve, end of period
 
$
35.6

 
$
39.2


(1)  
Includes impact of foreign exchange translation.
(in millions)
May 5, 2018
 
February 3, 2018
 
April 29, 2017
Disclosed as:
 
 
 
 
 
Current liabilities
$
11.0

 
$
11.5

 
$
12.6

Non-current liabilities
24.6

 
25.7

 
26.6

Total warranty reserve
$
35.6

 
$
37.2

 
$
39.2