Condensed Consolidated Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	May 03, 2014	Feb. 01, 2014	May 04, 2013	Feb. 02, 2013
Current assets:
Cash and cash equivalents	$ 249.1	$ 247.6	$ 263.7	$ 301.0
Accounts receivable, net	1,308.2	1,374.0	1,157.5
Other receivables	47.1	51.5	40.2
Other current assets	91.0	87.0	81.8
Deferred tax assets	2.7	3.0	2.3
Income taxes	10.7	6.5	10.1
Inventories	1,523.9	1,488.0	1,426.4
Total current assets	3,232.7	3,257.6	2,982.0
Non-current assets:
Property, plant and equipment, net	494.0	487.6	429.9
Other assets	120.3	114.0	107.2
Deferred tax assets	114.8	113.7	124.9
Retirement benefit asset	59.8	56.3	50.3
Total assets	4,021.6	4,029.2	3,694.3
Current liabilities:
Loans and overdrafts	8.8	19.3	5.7
Accounts payable	163.1	162.9	176.8
Accrued expenses and other current liabilities	293.8	328.5	269.4
Deferred revenue	174.4	173.0	157.6
Deferred tax liabilities	123.9	113.1	145.6
Income taxes	32.2	103.9	64.5
Total current liabilities	796.2	900.7	819.6
Non-current liabilities:
Deferred tax liabilities	2.7		1.0
Other liabilities	121.6	121.7	113.3
Deferred revenue	457.3	443.7	415.9
Total liabilities	1,377.8	1,466.1	1,349.8
Total shareholders' equity	2,643.8	2,563.1	2,344.5
Total liabilities and shareholders' equity	4,021.6	4,029.2	3,694.3
Signet Jewelers Limited
Current assets:
Cash and cash equivalents	1.7	1.4	9.4	13.4
Intercompany receivables, net	24.3	47.7	26.6
Other current assets	0.1		0.1
Total current assets	26.1	49.1	36.1
Non-current assets:
Investment in subsidiaries	2,634.0	2,526.3	2,320.6
Total assets	2,660.1	2,575.4	2,356.7
Current liabilities:
Accrued expenses and other current liabilities	16.3	12.3	12.2
Total current liabilities	16.3	12.3	12.2
Non-current liabilities:
Total liabilities	16.3	12.3	12.2
Total shareholders' equity	2,643.8	2,563.1	2,344.5
Total liabilities and shareholders' equity	2,660.1	2,575.4	2,356.7
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	226.7	237.0	225.0	271.3
Accounts receivable, net	1,299.4	1,361.3	1,149.6
Other receivables	46.0	51.1	40.1
Other current assets	90.5	86.5	81.8
Deferred tax assets	2.5	2.8	2.0
Income taxes	10.1	6.0	10.1
Inventories	1,469.4	1,434.5	1,388.7
Total current assets	3,144.6	3,179.2	2,897.3
Non-current assets:
Property, plant and equipment, net	487.8	481.5	429.3
Investment in subsidiaries	1,559.9	1,452.8	1,398.2
Other assets	116.7	110.4	107.2
Deferred tax assets	114.8	113.6	124.9
Retirement benefit asset	59.8	56.3	50.3
Total assets	5,483.6	5,393.8	5,007.2
Current liabilities:
Loans and overdrafts	8.8	19.3	5.7
Accounts payable	162.9	160.5	176.4
Intercompany payables, net	257.8	285.7	736.7
Accrued expenses and other current liabilities	274.2	313.1	253.5
Deferred revenue	174.4	173.0	157.6
Deferred tax liabilities	123.9	113.1	145.6
Income taxes	35.7	101.3	63.2
Total current liabilities	1,037.7	1,166.0	1,538.7
Non-current liabilities:
Intercompany payables, net	1,098.0	1,098.0	600.0
Deferred tax liabilities	2.7		1.0
Other liabilities	118.5	118.5	108.2
Deferred revenue	457.3	443.7	415.9
Total liabilities	2,714.2	2,826.2	2,663.8
Total shareholders' equity	2,769.4	2,567.6	2,343.4
Total liabilities and shareholders' equity	5,483.6	5,393.8	5,007.2
Non-Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	20.7	9.2	29.3	16.3
Accounts receivable, net	8.8	12.7	7.9
Intercompany receivables, net	233.5	238.0	710.1
Other receivables	1.1	0.4	0.1
Other current assets	0.4	0.5	(0.1)
Deferred tax assets	0.2	0.2	0.3
Income taxes	0.6	0.5
Inventories	54.5	53.5	37.7
Total current assets	319.8	315.0	785.3
Non-current assets:
Property, plant and equipment, net	6.2	6.1	0.6
Investment in subsidiaries	1,243.9	1,143.2	1,101.5
Intercompany receivables, net	1,098.0	1,098.0	600.0
Other assets	3.6	3.6
Deferred tax assets		0.1
Total assets	2,671.5	2,566.0	2,487.4
Current liabilities:
Accounts payable	0.2	2.4	0.4
Accrued expenses and other current liabilities	3.3	3.1	3.7
Income taxes	(3.5)	2.6	1.3
Total current liabilities		8.1	5.4
Non-current liabilities:
Other liabilities	3.1	3.2	5.1
Total liabilities	3.1	11.3	10.5
Total shareholders' equity	2,668.4	2,554.7	2,476.9
Total liabilities and shareholders' equity	2,671.5	2,566.0	2,487.4
Eliminations
Current assets:
Intercompany receivables, net	(257.8)	(285.7)	(736.7)
Total current assets	(257.8)	(285.7)	(736.7)
Non-current assets:
Investment in subsidiaries	(5,437.8)	(5,122.3)	(4,820.3)
Intercompany receivables, net	(1,098.0)	(1,098.0)	(600.0)
Total assets	(6,793.6)	(6,506.0)	(6,157.0)
Current liabilities:
Intercompany payables, net	(257.8)	(285.7)	(736.7)
Total current liabilities	(257.8)	(285.7)	(736.7)
Non-current liabilities:
Intercompany payables, net	(1,098.0)	(1,098.0)	(600.0)
Total liabilities	(1,355.8)	(1,383.7)	(1,336.7)
Total shareholders' equity	(5,437.8)	(5,122.3)	(4,820.3)
Total liabilities and shareholders' equity	$ (6,793.6)	$ (6,506.0)	$ (6,157.0)