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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows from operating activities: |  |
Net income | $ 115.3 | $ 140.0
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation | 34.7 | 30.7
Amortization | 0.9 | 0.9
Stock-based compensation | 5.0 | 8.5
Loss on disposal of plant | 0.0 | 9.4
Asset impairments | 0.6 | 1.9
Other non-cash items, net | (3.7) | (6.5)
Changes in assets and liabilities | (34.6) | (46.8)
Net cash provided by operating activities | 118.2 | 138.1
Cash flows from investing activities: |  |
Capital expenditures | (90.6) | (82.1)
Net cash used in investing activities | (90.6) | (82.1)
Cash flows from financing activities: |  |
Repayments of long-term debt | (0.6) | (0.6)
Dividend payments | (14.7) | (14.1)
Proceeds from stock-based compensation awards | 14.8 | 13.5
Employee stock purchase plan contributions | 2.0 | 1.8
Shares purchased under share repurchase program | (267.0) | (60.1)
Shares repurchased for employee tax withholdings | (5.4) | (11.5)
Other, net | (0.1) | 0.0
Net cash used in financing activities | (271.0) | (71.0)
Effect of exchange rates on cash | (8.7) | 7.0
Net decrease in cash and cash equivalents | (252.1) | (8.0)
Cash, including cash equivalents at beginning of period | 853.9 | 894.3
Cash, including cash equivalents at end of period | $ 601.8 | $ 886.3

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- Definition Amount of cash inflow from issuance of shares under share-based payment arrangement. Excludes option exercised. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Subparagraph (a) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2A + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 45 -Paragraph 15 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Subparagraph (a) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2A + Details
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- Definition Amount of cash outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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