CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Consolidated net income	$ 67.7	$ 58.9
Adjustments to reconcile consolidated net income to cash flows from operating activities:
Depreciation and amortization	38.4	32.4
Stock-based compensation expense	6.1	4.9
Deferred income taxes	(0.3)	(7.4)
Other non-cash expenses, net	6.1	24.8
Changes in operating assets and liabilities, net of acquisitions and divestitures:
Accounts receivable	10.6	36.6
Inventories	(69.8)	(44.8)
Accounts payable and accrued expenses	2.8	(13.6)
Income taxes payable, net	(19.2)	(15.7)
Deferred revenue	9.2	9.7
Customer advances	(0.9)	(0.3)
Other changes in operating assets and liabilities, net	(25.9)	(5.6)
Net cash provided by operating activities	24.8	79.9
Cash flows from investing activities:
Purchases of short-term investments	(6.4)
Maturities of short-term investments		117.0
Cash paid for acquisitions, net of cash acquired	(71.9)	(37.6)
Purchases of property, plant and equipment	(28.6)	(17.5)
Proceeds from sales of property, plant and equipment	0.3	0.1
Net cash (used in) provided by investing activities	(106.6)	62.0
Cash flows from financing activities:
Repayments of Note Purchase Agreement	(15.0)
Repayments of revolving lines of credit	(28.5)	(202.5)
Proceeds from revolving lines of credit	200.6	7.5
Repayment of other debt	(4.6)	(0.8)
Proceeds of other debt	0.5
Proceeds from issuance of common stock, net	5.8	7.0
Payment of contingent consideration	(4.6)	(2.3)
Repurchase of common stock	(100.0)
Payment of dividends	(12.6)	(12.5)
Net cash provided by (used in) financing activities	41.6	(203.6)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0.4	(4.7)
Net change in cash, cash equivalents and restricted cash	(39.8)	(66.4)
Cash, cash equivalents and restricted cash at beginning of period	326.3	328.9
Cash, cash equivalents and restricted cash at end of period	$ 286.5	$ 262.5