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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Cash flows from operating activities: |  |  |
Net earnings | $ 81,039 | $ 92,136 | $ 53,703
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Depreciation and amortization | 40,050 | 37,755 | 32,229
Stock compensation expense | 5,353 | 5,218 | 5,444
Changes in assets and liabilities | (9,944) | (10,315) | (17,889)
Change in property, plant and equipment from gain on building sale | (8,922) | 0 | 0
Effect of deferred taxes on tax provision | 61 | (21,584) | 1,360
Pension contributions | (2,500) | (9,951) | (2,677)
Other | 0 | 0 | (4,830)
Net cash provided by operating activities | 105,137 | 93,259 | 67,340
Cash flows from investing activities: |  |  |
Acquisition of businesses, net of cash acquired | (96,777) | (11,445) | (198,628)
Capital expenditures | (37,183) | (20,589) | (29,728)
Additions to capitalized software | (8,386) | (9,573) | (9,002)
Proceeds from sale of building and land | 17,201 | 0 | 1,184
Proceeds from life insurance | 0 | 0 | 2,307
Net cash used by investing activities | (125,145) | (41,607) | (233,867)
Cash flows from financing activities: |  |  |
Proceeds from long-term debt | 131,261 | 55,000 | 257,000
Principal payments on long-term debt | (65,000) | (110,000) | (92,000)
Dividends paid | (8,302) | (8,278) | (8,257)
Debt issuance costs | (1,071) | 0 | 0
Other | (3,371) | (3,078) | 20
Net cash provided (used) by financing activities | 53,517 | (66,356) | 156,763
Effect of exchange rate changes on cash and cash equivalents | (2,178) | (335) | 1,455
Net increase (decrease) in cash and cash equivalents | 31,331 | (15,039) | (8,309)
Cash and cash equivalents at beginning of year | 30,477 | 45,516 | 53,825
Cash and cash equivalents at end of year | 61,808 | 30,477 | 45,516
Changes in assets and liabilities: |  |  |
Accounts receivable, net | (7,230) | (2,789) | (23,587)
Contract assets | (66,885) | (5,748) | (18,540)
Inventories | 10,150 | (9,830) | 3,959
Other assets and liabilities | 8,020 | (695) | (2,014)
Accounts payable | 7,400 | 9,442 | 8,735
Contract liabilities | 36,751 | (1,466) | 7,914
Accrued expenses | 1,850 | 771 | 5,644
Supplemental cash flow information: |  |  |
Interest paid | 8,076 | 8,540 | 3,731
Income taxes paid (including state & foreign) | $ 26,084 | $ 8,789 | $ 25,674

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- Definition Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21C -URI http://asc.fasb.org/extlink&oid=118932676&loc=SL94080552-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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