Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities
Net income	$ 10.4	$ 3.6
Amortization of inventory step-up	0.0	0.9
Loss on disposal of assets	0.1	0.0
Depreciation	9.0	9.0
Amortization of debt issuance costs	0.5	1.4
Amortization of intangibles	9.3	8.0
Stock-based compensation	3.2	2.4
Changes in balance sheet items:
Accounts receivable	162.0	165.3
Inventories	(43.5)	(31.2)
Other assets	(8.0)	(0.8)
Accounts payable	8.8	(4.3)
Accrued expenses and other liabilities	(78.7)	(73.4)
Accrued income taxes	(12.7)	(15.5)
Net cash provided by operating activities	60.4	65.4
Investing activities
Additions to property, plant and equipment	(8.0)	(5.2)
Proceeds from the disposition of assets	0.0	0.1
Cost of acquisitions, net of cash acquired	0.0	(292.6)
Net cash used by investing activities	(8.0)	(297.7)
Financing activities
Proceeds from long-term borrowings	21.5	412.0
Repayments of long-term debt	(11.6)	(94.4)
Borrowings of notes payable, net	0.7	0.0
Payments for debt issuance costs	0.0	(3.4)
Dividends paid	(6.4)	0.0
Repurchases of common stock	(9.1)	0.0
Payments related to tax withholding for stock-based compensation	(7.4)	(9.2)
Proceeds from the exercise of stock options	5.3	1.4
Net cash (used) provided by financing activities	(7.0)	306.4
Effect of foreign exchange rate changes on cash and cash equivalents	0.4	1.3
Net increase in cash and cash equivalents	45.8	75.4
Cash and cash equivalents
Beginning of the period	76.9	42.9
End of the period	$ 122.7	$ 118.3