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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net (loss) income | $ (33,494) | $ 54,160
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities |  |
Deferred income tax benefit | (4,521) | (153)
Impairment loss | 2,072 |
Depreciation | 2,610 | 2,465
Stock compensation expense | 1,512 | 1,244
Change in accrued interest on short-term investments | 1,106 | 912
Amortization of purchased intangible assets | 864 | 759
Gain on the settlement of litigation |  | (1,400)
Other | 525 | 119
Changes in operating assets and liabilities |  |
Accounts receivable | 1,274 | (17,686)
Contract assets | 7,992 | (41,781)
Other assets | (1,588) | (15,895)
Accounts payable and accrued expenses | (12,523) | (44,016)
Contract liabilities | 50,072 | (37,835)
Net cash provided by (used in) operating activities | 15,901 | (99,107)
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Maturities of short-term investments | 164,000 | 310,000
Purchases of short-term investments | (75,000) | (158,000)
Purchases of property, plant and equipment | (6,308) | (7,366)
Changes in notes receivable |  | 225
Net cash provided by investing activities | 82,692 | 144,859
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Payments of cash dividends | (11,714) | (11,676)
Proceeds from the exercise of stock options | 1,567 | 48
Distributions to joint venture partners |  | (72)
Net cash used in financing activities | (10,147) | (11,700)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH | (282) | (368)
NET INCREASE IN CASH AND CASH EQUIVALENTS | 88,164 | 33,684
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 164,318 | 122,107
CASH AND CASH EQUIVALENTS, END OF PERIOD | 252,482 | 155,791
SUPPLEMENTAL CASH FLOW INFORMATION |  |
Cash paid for income taxes | 3,062 | 2,625
Cash received from income tax refunds | 7,917 |
Operating lease payments made (Note 7) | 466 |
Cash paid for interest |  | $ 659
Adoption of ASC Topic 842 (non-cash transaction, see Note 7) | 1,341 |
Right-of-use assets obtained in exchange for new operating lease liabilities (non-cash transaction) | $ 441 |

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- Definition The cash inflow associated with the sale of securities that had been designated as held-to-maturity. Excludes proceeds from maturities, prepayments and calls by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26853-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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