CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Consolidated net income	$ 27.4	$ 21.7
Adjustments to reconcile consolidated net income to cash flows from operating activities:
Depreciation and amortization	15.8	15.1
Stock-based compensation expense	2.5	2.6
Deferred income taxes	(7.1)	0.4
Other non-cash expenses, net	18.2	4.1
Changes in operating assets and liabilities, net of acquisitions and divestitures:
Accounts receivable	10.0	25.6
Inventories	(32.0)	(31.1)
Accounts payable and accrued expenses	(13.7)	(2.7)
Income taxes payable, net	(3.3)	(6.4)
Deferred revenue	5.9	0.9
Customer advances	17.8	(3.1)
Other changes in operating assets and liabilities, net	2.3	5.5
Net cash provided by operating activities	43.8	32.6
Cash flows from investing activities:
Purchase of short-term investments		(85.3)
Maturities of short-term investments	117.0	58.7
Cash paid for acquisitions, net of cash acquired	(0.4)	(39.8)
Purchases of property, plant and equipment	(8.5)	(11.5)
Proceeds from sales of property, plant and equipment		6.6
Net cash provided by (used in) investing activities	108.1	(71.3)
Cash flows from financing activities:
Repayments of the Note Purchase Agreement		(20.0)
Repayments of revolving lines of credit	(195.0)	(40.0)
Proceeds from revolving lines of credit		33.0
Repayment of other debt, net	(0.1)	(0.1)
Proceeds from issuance of common stock, net	2.6	1.2
Payment of dividends	(6.3)	(6.4)
Net cash used in financing activities	(198.8)	(32.3)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	5.8	5.8
Net change in cash, cash equivalents and restricted cash	(41.1)	(65.2)
Cash, cash equivalents and restricted cash at beginning of period	328.9	345.9
Cash, cash equivalents and restricted cash at end of period	$ 287.8	$ 280.7