Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities
Net income	$ 27.1	$ 66.7
Gain on revaluation of previously held joint-venture equity interest	0.0	(35.2)
Amortization of inventory step-up	0.9	0.2
Loss on disposal of assets	0.0	0.2
Depreciation	17.8	15.5
Amortization of debt issuance costs	1.9	1.8
Amortization of intangibles	17.0	10.1
Stock-based compensation	7.8	7.9
Equity in earnings of joint-venture, net of dividends received	0.0	(1.6)
Changes in balance sheet items:
Accounts receivable	51.2	60.6
Inventories	(75.0)	(70.7)
Other assets	(13.7)	(8.7)
Accounts payable	40.2	24.4
Accrued expenses and other liabilities	(58.5)	(65.4)
Accrued income taxes	(8.8)	(4.1)
Net cash provided by operating activities	7.9	1.7
Investing activities
Additions to property, plant and equipment	(13.0)	(6.9)
Proceeds from the disposition of assets	0.2	0.1
Cost of acquisitions, net of cash acquired	(292.6)	(85.4)
Net cash used by investing activities	(305.4)	(92.2)
Financing activities
Proceeds from long-term borrowings	473.8	187.4
Repayments of long-term debt	(104.8)	(90.3)
Borrowings of notes payable, net	0.0	32.8
Payments for debt issuance costs	(3.5)	(0.8)
Repurchases of common stock	(6.0)	0.0
Payments related to tax withholding for stock-based compensation	(9.2)	(5.0)
Proceeds from the exercise of stock options	2.8	1.6
Net cash provided by financing activities	353.1	125.7
Effect of foreign exchange rate changes on cash and cash equivalents	3.7	5.6
Net increase in cash and cash equivalents	59.3	40.8
Cash and cash equivalents
Beginning of the period	42.9	55.4
End of the period	$ 102.2	$ 96.2