Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 152.9	$ 127.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	64.3	66.6
Equity-based compensation expense	12.7	8.1
Deferred income taxes	(13.7)	(13.4)
Other	2.8	1.1
Changes in assets and liabilities:
Accounts receivable	11.9	60.5
Merchandise inventory	(134.2)	(72.4)
Other assets	(31.9)	15.4
Accounts payable-trade	116.0	(29.8)
Other liabilities	71.6	59.1
Net cash provided by operating activities	252.4	222.2
Cash flows used in investing activities:
Capital expenditures	(19.4)	(15.9)
Acquisition of business, net of cash acquired	(68.7)	0.0
Net cash used in investing activities	(88.1)	(15.9)
Cash flows used in financing activities:
Proceeds from borrowings under revolving credit facility	88.5	170.0
Repayments of borrowings under revolving credit facility	(12.5)	(170.0)
Repayments of long-term debt	(5.9)	(3.7)
Net change in accounts payable-inventory financing	70.2	24.9
Repurchases of common stock	(177.1)	(109.2)
Payment of incentive compensation plan withholding taxes	(11.6)	(8.7)
Dividend payments	(43.4)	(32.0)
Other	11.6	(2.5)
Net cash used in financing activities	(80.2)	(131.2)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0.8	1.7
Net increase in cash, cash equivalents and restricted cash	84.9	76.8
Cash, cash equivalents and restricted cash—beginning of period	205.8	144.2
Cash, cash equivalents and restricted cash—end of period	290.7	221.0
Supplementary disclosure of cash flow information:
Interest paid	(44.1)	(42.7)
Taxes paid, net	$ (11.4)	$ (10.6)