Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Cash flows from operating activities:
Net income	$ 467.9	$ 381.3	$ 368.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	175.3	149.7	110.2
Amortization of unfavorable leases and contracts	(28.7)	(23.7)	0.0
Pension benefit	0.0	(2.4)	(0.5)
Share-based compensation	16.4	12.1	14.4
Deferred taxation	25.0	(47.6)	(20.4)
Excess tax benefit from exercise of share awards	(6.9)	(11.8)	(6.5)
Amortization of debt discount and issuance costs	3.6	7.4	0.4
Other non-cash movements	3.6	2.7	(3.3)
Changes in operating assets and liabilities:
Increase in accounts receivable	(189.8)	(194.6)	(168.3)
Increase in other receivables and other assets	(44.1)	(18.0)	(21.6)
Increase in other current assets	(26.5)	(35.5)	(4.1)
Increase in inventories	(46.0)	(121.6)	(98.4)
(Decrease) increase in accounts payable	(6.4)	23.7	3.2
Increase in accrued expenses and other liabilities	51.8	64.8	8.6
Increase in deferred revenue	76.3	102.3	50.8
(Decrease) increase in income taxes payable	(25.7)	(1.6)	7.9
Pension plan contributions	(2.5)	(4.2)	(4.9)
Net cash provided by operating activities	443.3	283.0	235.5
Investing activities
Purchase of property, plant and equipment	(226.5)	(220.2)	(152.7)
Purchase of available-for-sale securities	(6.2)	(5.7)	0.0
Proceeds from sale of available-for-sale securities	4.0	2.5	0.0
Net cash used in investing activities	(228.7)	(1,652.6)	(160.4)
Financing activities
Dividends paid	(67.1)	(55.3)	(46.0)
Proceeds from issuance of common shares	5.0	6.1	9.3
Excess tax benefit from exercise of share awards	6.9	11.8	6.5
Proceeds from revolving credit facility	316.0	260.0	57.0
Repayments of revolving credit facility	(316.0)	(260.0)	(57.0)
Payment of debt issuance costs	0.0	(20.5)	0.0
Repurchase of common shares	(130.0)	(29.8)	(104.7)
Net settlement of equity based awards	(8.3)	(18.4)	(9.2)
Principal payments under capital lease obligations	(1.0)	(0.8)	0.0
Proceeds from (repayment of) short-term borrowings	(47.1)	39.4	19.3
Net cash (used in) provided by financing activities	(266.6)	1,320.9	(124.8)
Cash and cash equivalents at beginning of period	193.6	247.6	301.0
Decrease in cash and cash equivalents	(52.0)	(48.7)	(49.7)
Effect of exchange rate changes on cash and cash equivalents	(3.9)	(5.3)	(3.7)
Cash and cash equivalents at end of period	137.7	193.6	247.6
Non-cash investing activities:
Capital expenditures in accounts payable	9.3	6.2	2.0
Supplemental cash flow information:
Interest paid	41.6	25.4	3.5
Income taxes paid	180.1	208.8	211.0
Senior Notes
Financing activities
Proceeds from debt	0.0	398.4	0.0
Term Loan
Financing activities
Proceeds from debt	0.0	400.0	0.0
Repayments of debt	(25.0)	(10.0)	0.0
Securitization facility
Financing activities
Proceeds from debt	2,303.9	1,941.9	0.0
Repayments of debt	(2,303.9)	(1,341.9)	0.0
Ultra Acquisition
Investing activities
Acquisition of business	0.0	0.0	1.4
Zale
Investing activities
Acquisition of business	0.0	(1,429.2)	0.0
Botswana Diamond Polishing Factory Acquisition
Investing activities
Acquisition of business	$ 0.0	$ 0.0	$ (9.1)