Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities
Net income	$ 68.5	$ 39.4
Reconciliation of net income to cash flows provided by operating activities:
Depreciation	18.4	17.6
Amortization	15.1	10.7
Non-cash compensation, net of tax benefit	2.8	2.5
Loss on sale of property and equipment, net	0.1
Deferred taxes	0.6	(0.8)
Foreign exchange gain		(0.2)
Changes in assets and liabilities, excluding effects of acquisitions and divestitures:
Receivables	(1.3)	(12.2)
Inventories	(20.0)	(21.4)
Prepaid expenses and other assets	6.2	8.2
Accounts payable	27.1	33.1
Accrued expenses and deferred revenues	(12.0)	(26.5)
Long-term liabilities	3.0	0.7
Other operating activities	0.5	(1.6)
Net cash provided by operating activities	109.0	49.5
Investing activities
Capital expenditures	(18.7)	(19.1)
Acquisitions, net of cash	(8.1)
Proceeds from sale of property and equipment		0.1
Net cash used in investing activities	(26.8)	(19.0)
Financing activities
Dividends paid	(19.5)	(16.7)
Proceeds from issuance of treasury shares and stock options	4.5	9.1
Repurchases of common stock	(28.5)	(8.8)
Net cash used in financing activities	(43.5)	(16.4)
Effect of foreign currency exchange rate changes on cash and cash equivalents	1.1	(0.5)
Change in cash and cash equivalents	39.8	13.6
Cash and cash equivalents
Beginning of period	410.7	730.8
End of period	$ 450.5	$ 744.4