Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 101.7	$ 193.6
Reconciliation of net income to net cash provided by operating activities:
Depreciation	23.3	24.0
Amortization	37.2	40.7
Lease expense	6.9	7.1
Stock-based compensation	11.4	9.6
Deferred taxes	1.5	1.2
Other operating activities, net	2.3	3.3
Changes in assets and liabilities, excluding effects of acquisitions:
Receivables	100.2	(189.2)
Inventories	(28.9)	(122.0)
Contract assets	3.5	(1.5)
Prepaid expenses and other assets	20.2	17.4
Accounts payable	(0.3)	88.5
Accrued and other current liabilities	(126.1)	(23.1)
Contract liabilities	3.2	5.2
Other long-term liabilities	(6.5)	(10.5)
Net cash provided by operating activities	149.6	44.3
Investing activities:
Capital expenditures	(40.2)	(31.1)
Proceeds from sale of discontinued operation, net of cash disposed	0.0	125.0
Acquisitions, net of cash acquired	0.0	(24.7)
Investment in securities	0.5	10.3
Other investing activities, net	8.0	1.7
Net cash (used in) provided by investing activities	(31.7)	81.2
Financing activities:
Repurchases of common stock	(50.0)	(125.0)
Dividends paid	(38.9)	(28.7)
Proceeds from exercise of stock options	4.8	7.7
Withholding tax paid related to stock-based compensation	(9.9)	(12.0)
Other financing activities, net	(0.8)	(0.8)
Net cash used in financing activities	(94.8)	(158.8)
Effect of foreign currency exchange rate changes on cash and cash equivalents	0.8	0.6
Change in cash and cash equivalents	23.9	(32.7)
Cash and cash equivalents at beginning of period	400.0	324.4
Cash and cash equivalents at end of period	$ 423.9	$ 291.7