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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Apr. 29, 2017 | Apr. 30, 2016 | Apr. 25, 2015
Cash flows from operating activities |  |  |
Net income | $ 86,984 | $ 80,963 | $ 71,971
Adjustments to reconcile net income to cash provided by operating activities |  |  |
(Gain) loss on disposal of assets | (224) | 384 | (499)
Gain on sale of investments | (471) | (436) | (214)
Deferred income tax expense | 569 | 4,581 | 1,030
Provision for doubtful accounts | (291) | (660) | (2,290)
Depreciation and amortization | 29,131 | 26,517 | 22,283
Stock-based compensation expense | 8,864 | 8,292 | 6,780
Pension plan contributions | (2,300) | (7,000) |
Change in receivables | (7,850) | 10,730 | (2,595)
Change in inventories | 12,517 | (14,621) | (7,644)
Change in other assets | (1,211) | 4,148 | 4,154
Change in accounts payable | 4,541 | (1,007) | (5,206)
Change in other liabilities | 15,915 | 470 | (1,019)
Net cash provided by operating activities | 146,174 | 112,361 | 86,751
Cash flows from investing activities |  |  |
Proceeds from disposals of assets | 761 | 3,054 | 9,061
Capital expenditures | (20,304) | (24,684) | (70,319)
Purchases of investments | (29,763) | (21,009) | (40,327)
Proceeds from sales of investments | 19,954 | 28,721 | 33,750
Acquisitions, net of cash acquired | (35,878) | (23,311) | (1,774)
Change in restricted cash | (23) | 659 | 2,936
Net cash used for investing activities | (65,253) | (36,570) | (66,673)
Cash flows from financing activities |  |  |
Payments on debt | (288) | (508) | (7,571)
Payments for debt issuance costs |  |  | (208)
Stock issued for stock and employee benefit plans | 3,566 | 420 | 1,397
Excess tax benefit on stock option exercises | 1,737 | 1,264 | 1,592
Purchases of common stock | (35,957) | (44,082) | (51,853)
Dividends paid | (20,655) | (18,141) | (14,513)
Net cash used for financing activities | (51,597) | (61,047) | (71,156)
Effect of exchange rate changes on cash and equivalents | 178 | (688) | (281)
Change in cash and equivalents | 29,502 | 14,056 | (51,359)
Cash and equivalents at beginning of period | 112,358 | 98,302 | 149,661
Cash and equivalents at end of period | 141,860 | $ 112,358 | 98,302
Supplemental disclosure of non-cash investing activities |  |  |
Capital expenditures included in accounts payable | $ 1,795 |  | $ 500

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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt and payment of capital lease obligations. + References No definition available. + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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