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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - UNAUDITED - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017
Operating Activities |  |
Net income | $ 138,126 | $ 66,968
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Amortization of intangibles | 35,965 | 37,321
Amortization of product development assets | 30,314 | 29,502
Depreciation of technology, property and equipment | 48,471 | 50,520
Restructuring charges | 26,531 | 15,045
Restructuring payments | (26,345) | (15,740)
Deferred income tax benefit on UK rate change | 0 | (2,575)
Unfavorable tax decision | 0 | 47,531
One-time pension settlement | 0 | 8,842
Stock-based compensation expense | 6,510 | 10,187
Excess tax benefit from stock based compensation | 0 | (227)
Royalty advances | (89,366) | (79,804)
Earned royalty advances | 81,976 | 77,554
Other non-cash charges | (1,376) | 26,096
Change in deferred revenue | (56,265) | (7,733)
Net change in operating assets and liabilities | (4,419) | (34,335)
Net Cash Provided by Operating Activities | 190,122 | 229,152
Investing Activities |  |
Product development spending | (30,426) | (31,904)
Additions to technology, property and equipment | (78,958) | (77,722)
Acquisitions, net of cash acquired | (25,227) | (152,110)
Net Cash Used for Investing Activities | (134,611) | (261,736)
Financing Activities |  |
Repayments of long-term debt | (238,951) | (340,207)
Borrowings of long-term debt | 305,754 | 600,900
Change in book overdrafts | (8,884) | (8,866)
Cash dividends | (55,093) | (53,638)
Purchase of treasury stock | (29,257) | (35,362)
Proceeds from exercise of stock options and other | 30,606 | 16,444
Excess tax benefit from stock based compensation | 0 | 227
Net Cash Provided by Financing Activities | 4,175 | 179,498
Effects of Foreign Currency Exchange Rate Changes on Cash and Cash Equivalents | 10,015 | (28,399)
Cash and Cash Equivalents |  |
Increase for the Period | 69,701 | 118,515
Balance at Beginning of Period | 58,516 | 363,806
Balance at End of Period | 128,217 | 482,321
Cash Paid During the Period for: |  |
Interest | 10,766 | 9,900
Income taxes, net of refunds | $ 39,655 | $ 22,491

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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: 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=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + 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=98514028&loc=d3e3602-108585 + Details
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