UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Consolidated net income	$ 116.5	$ 34.8
Adjustments to reconcile consolidated net income to cash flows from operating activities:
Depreciation and amortization	43.9	38.2
Stock-based compensation expense	7.7	6.4
Deferred income taxes	(3.8)	(1.1)
Other non-cash expenses, net	20.8	19.2
Changes in operating assets and liabilities, net of acquisitions and divestitures:
Accounts receivable	(8.5)	34.3
Inventories	(68.3)	(97.0)
Accounts payable and accrued expenses	13.0	(16.1)
Income taxes payable, net	7.0	(3.1)
Deferred revenue	20.0	19.6
Customer advances	1.8	21.8
Other changes in operating assets and liabilities, net	(30.2)	(10.2)
Net cash provided by operating activities	119.9	46.8
Cash flows from investing activities:
Purchases of short-term investments	(48.0)	(50.0)
Maturities of short-term investments		6.1
Cash paid for acquisitions, net of cash acquired	(4.0)	(24.6)
Purchases of property, plant and equipment	(47.3)	(50.8)
Proceeds from sales of property, plant and equipment	2.4	0.1
Net proceeds from cross-currency swap agreements	1.5	3.5
Net cash used in investing activities	(95.4)	(115.7)
Cash flows from financing activities:
Repayments of revolving lines of credit	0.0	(96.6)
Proceeds from revolving lines of credit		297.5
Repayment of other debt	(1.7)	(0.3)
Proceeds from other debt	0.1	0.5
Payment of deferred financing costs		(0.1)
Proceeds from issuance of common stock, net	2.2	1.9
Payment of contingent consideration	(0.4)	(1.2)
Payment of dividends to common stockholders	(12.1)	(12.3)
Purchases of common stock	(71.1)	(50.0)
Cash payments to noncontrolling interest	0.0	(1.2)
Net cash (used in) provided by financing activities	(83.0)	138.2
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(15.3)	(0.8)
Net change in cash, cash equivalents and restricted cash	(73.8)	68.5
Cash, cash equivalents and restricted cash at beginning of period	685.5	681.9
Cash, cash equivalents and restricted cash at end of period	611.7	750.4
Supplemental disclosure of cash flow information:
Restricted cash period beginning balance	3.7	3.6
Restricted cash period ending balance	$ 3.6	$ 3.6