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Condensed consolidating financial information - Condensed consolidated statement of cash flows (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Oct. 28, 2017 | Oct. 29, 2016
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | $ 1,482.3 | $ 360.9
Investing activities |  |
Purchase of property, plant and equipment | (166.1) | (195.6)
Investment in subsidiaries |  | 0.0
Purchase of available-for-sale securities | (1.7) | (10.4)
Proceeds from available-for-sale securities | 0.9 | 10.0
Acquisition of R2Net Inc., net of cash acquired | (332.4) | 0.0
Net cash used in investing activities | (499.3) | (196.0)
Financing activities |  |
Dividends paid on common shares | (57.7) | (57.5)
Dividends paid on redeemable convertible preferred shares | (26.9) | 0.0
Intra-entity dividends paid | 0.0 | 0.0
Proceeds from issuance of redeemable convertible preferred shares, net of issuance costs | 0.0 | 611.6
Proceeds from long-term debt | 1,745.9 | 1,837.1
Proceeds from revolving credit facility | 605.0 | 598.0
Repayments of revolving credit facility | (405.0) | (339.0)
Repurchase of common shares | (460.0) | (1,000.0)
Repayments of bank overdrafts | (5.9) | (13.3)
Other financing activities | (4.5) | (6.0)
Intra-entity activity, net | 0.0 | 0.0
Net cash used in financing activities | (970.7) | (218.2)
Cash and cash equivalents at beginning of period | 98.7 | 137.7
Decrease in cash and cash equivalents | 12.3 | (53.3)
Effect of exchange rate changes on cash and cash equivalents | 2.4 | (1.7)
Cash and cash equivalents at end of period | 113.4 | 82.7
Consolidation, Eliminations |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | (1,118.0) | (979.2)
Investing activities |  |
Purchase of property, plant and equipment | 0.0 | 0.0
Investment in subsidiaries |  | 91.0
Purchase of available-for-sale securities | 0.0 | 0.0
Proceeds from available-for-sale securities | 0.0 | 0.0
Acquisition of R2Net Inc., net of cash acquired | 0.0 |
Net cash used in investing activities | 0.0 | 91.0
Financing activities |  |
Dividends paid on common shares | 0.0 | 0.0
Dividends paid on redeemable convertible preferred shares | 0.0 | 0.0
Intra-entity dividends paid | 1,118.0 | 979.2
Proceeds from issuance of redeemable convertible preferred shares, net of issuance costs |  | 0.0
Proceeds from long-term debt | 0.0 | 0.0
Proceeds from revolving credit facility | 0.0 | 0.0
Repayments of revolving credit facility | 0.0 | 0.0
Repurchase of common shares | 0.0 | 0.0
Repayments of bank overdrafts | 0.0 |
Other financing activities | 0.0 | (91.0)
Intra-entity activity, net | 0.0 | 0.0
Net cash used in financing activities | 1,118.0 | 888.2
Cash and cash equivalents at beginning of period | 0.0 | 0.0
Decrease in cash and cash equivalents | 0.0 | 0.0
Effect of exchange rate changes on cash and cash equivalents | 0.0 | 0.0
Cash and cash equivalents at end of period | 0.0 | 0.0
Guarantor Subsidiaries | Reportable Legal Entities |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 1,467.2 | 385.1
Investing activities |  |
Purchase of property, plant and equipment | (165.7) | (195.6)
Purchase of available-for-sale securities | 0.0 | 0.0
Proceeds from available-for-sale securities | 0.0 | 0.0
Acquisition of R2Net Inc., net of cash acquired | (332.4) |
Net cash used in investing activities | (498.1) | (195.6)
Financing activities |  |
Dividends paid on common shares | 0.0 | 0.0
Dividends paid on redeemable convertible preferred shares | 0.0 | 0.0
Intra-entity dividends paid | (800.0) | (650.0)
Proceeds from issuance of redeemable convertible preferred shares, net of issuance costs |  | 0.0
Proceeds from long-term debt | 0.0 | 0.0
Proceeds from revolving credit facility | 605.0 | 598.0
Repayments of revolving credit facility | (405.0) | (339.0)
Repurchase of common shares | 0.0 | 0.0
Repayments of bank overdrafts | (5.9) | (13.3)
Other financing activities | (1.4) | 90.0
Intra-entity activity, net | (359.7) | 91.6
Net cash used in financing activities | (982.7) | (234.7)
Cash and cash equivalents at beginning of period | 70.3 | 102.0
Decrease in cash and cash equivalents | (13.6) | (45.2)
Effect of exchange rate changes on cash and cash equivalents | 2.4 | (1.1)
Cash and cash equivalents at end of period | 59.1 | 55.7
Non-Guarantor Subsidiaries | Reportable Legal Entities |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 511.4 | 391.4
Investing activities |  |
Purchase of property, plant and equipment | (0.4) |
Purchase of available-for-sale securities | (1.7) | (10.4)
Proceeds from available-for-sale securities | 0.9 | 10.0
Net cash used in investing activities | (1.2) | (0.4)
Financing activities |  |
Dividends paid on common shares | 0.0 | 0.0
Dividends paid on redeemable convertible preferred shares | 0.0 | 0.0
Intra-entity dividends paid | (318.0) | (329.2)
Proceeds from issuance of redeemable convertible preferred shares, net of issuance costs |  | 0.0
Proceeds from long-term debt | 1,745.9 | 1,837.1
Proceeds from revolving credit facility | 0.0 | 0.0
Repayments of revolving credit facility | 0.0 | 0.0
Repurchase of common shares | 0.0 | 0.0
Repayments of bank overdrafts | 0.0 |
Other financing activities | 0.0 | (0.6)
Intra-entity activity, net | 435.0 | (67.6)
Net cash used in financing activities | (483.0) | (397.4)
Cash and cash equivalents at beginning of period | 26.6 | 33.7
Decrease in cash and cash equivalents | 27.2 | (6.4)
Effect of exchange rate changes on cash and cash equivalents |  | (0.6)
Cash and cash equivalents at end of period | 53.8 | 26.7
Signet Jewelers Limited | Reportable Legal Entities |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 617.1 | 558.7
Investing activities |  |
Purchase of property, plant and equipment | 0.0 | 0.0
Investment in subsidiaries |  | (91.0)
Purchase of available-for-sale securities | 0.0 | 0.0
Proceeds from available-for-sale securities | 0.0 | 0.0
Acquisition of R2Net Inc., net of cash acquired | 0.0 |
Net cash used in investing activities | 0.0 | (91.0)
Financing activities |  |
Dividends paid on common shares | (57.7) | (57.5)
Dividends paid on redeemable convertible preferred shares | (26.9) |
Intra-entity dividends paid | 0.0 | 0.0
Proceeds from issuance of redeemable convertible preferred shares, net of issuance costs |  | 611.6
Proceeds from long-term debt | 0.0 | 0.0
Proceeds from revolving credit facility | 0.0 | 0.0
Repayments of revolving credit facility | 0.0 |
Repurchase of common shares | (460.0) | (1,000.0)
Repayments of bank overdrafts | 0.0 |
Other financing activities | (3.1) | (4.4)
Intra-entity activity, net | (70.7) | (19.1)
Net cash used in financing activities | (618.4) | (469.4)
Cash and cash equivalents at beginning of period | 1.7 | 1.9
Decrease in cash and cash equivalents | (1.3) | (1.7)
Effect of exchange rate changes on cash and cash equivalents | 0.0 | 0.0
Cash and cash equivalents at end of period | 0.4 | 0.2
Signet UK Finance plc | Reportable Legal Entities |  |
Cash flows from operating activities |  |
Net cash provided by (used in) operating activities | 4.6 | 4.9
Investing activities |  |
Purchase of property, plant and equipment | 0.0 | 0.0
Investment in subsidiaries |  | 0.0
Purchase of available-for-sale securities | 0.0 | 0.0
Proceeds from available-for-sale securities | 0.0 | 0.0
Acquisition of R2Net Inc., net of cash acquired | 0.0 |
Net cash used in investing activities | 0.0 | 0.0
Financing activities |  |
Dividends paid on common shares | 0.0 | 0.0
Dividends paid on redeemable convertible preferred shares | 0.0 | 0.0
Intra-entity dividends paid | 0.0 | 0.0
Proceeds from issuance of redeemable convertible preferred shares, net of issuance costs |  | 0.0
Proceeds from long-term debt | 0.0 | 0.0
Proceeds from revolving credit facility | 0.0 | 0.0
Repayments of revolving credit facility | 0.0 | 0.0
Repurchase of common shares | 0.0 | 0.0
Repayments of bank overdrafts | 0.0 | 0.0
Other financing activities | 0.0 | 0.0
Intra-entity activity, net | (4.6) | (4.9)
Net cash used in financing activities | (4.6) | (4.9)
Cash and cash equivalents at beginning of period | 0.1 | 0.1
Decrease in cash and cash equivalents | 0.0 | 0.0
Effect of exchange rate changes on cash and cash equivalents | 0.0 | 0.0
Cash and cash equivalents at end of period | 0.1 | 0.1
Term Loan |  |
Financing activities |  |
Proceeds from term and bridge loans | 350.0 | 0.0
Repayments of debt | (365.7) | (12.0)
Term Loan | Consolidation, Eliminations |  |
Financing activities |  |
Proceeds from term and bridge loans | 0.0 |
Repayments of debt | 0.0 | 0.0
Term Loan | Guarantor Subsidiaries | Reportable Legal Entities |  |
Financing activities |  |
Proceeds from term and bridge loans | 350.0 |
Repayments of debt | (365.7) | (12.0)
Term Loan | Non-Guarantor Subsidiaries | Reportable Legal Entities |  |
Financing activities |  |
Proceeds from term and bridge loans | 0.0 |
Repayments of debt | 0.0 |
Term Loan | Signet Jewelers Limited | Reportable Legal Entities |  |
Financing activities |  |
Proceeds from term and bridge loans | 0.0 |
Repayments of debt | 0.0 | 0.0
Term Loan | Signet UK Finance plc | Reportable Legal Entities |  |
Financing activities |  |
Proceeds from term and bridge loans | 0.0 |
Repayments of debt | 0.0 | 0.0
Securitization facility |  |
Financing activities |  |
Repayments of debt | (2,345.9) | (1,837.1)
Securitization facility | Consolidation, Eliminations |  |
Financing activities |  |
Repayments of debt | 0.0 | 0.0
Securitization facility | Guarantor Subsidiaries | Reportable Legal Entities |  |
Financing activities |  |
Repayments of debt | 0.0 | 0.0
Securitization facility | Non-Guarantor Subsidiaries | Reportable Legal Entities |  |
Financing activities |  |
Repayments of debt | (2,345.9) | (1,837.1)
Securitization facility | Signet Jewelers Limited | Reportable Legal Entities |  |
Financing activities |  |
Repayments of debt | 0.0 | 0.0
Securitization facility | Signet UK Finance plc | Reportable Legal Entities |  |
Financing activities |  |
Repayments of debt | $ 0.0 | $ 0.0

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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash outflow to settle a bank borrowing during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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