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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Cash Flows From Operating Activities |  |  |
Net income | [1] | $ 81,661 | $ 77,787
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization |  | 57,121 | 55,196
Deferred compensation |  | 5,263 | 12,595
Realized and unrealized gains on long-term investments |  | (3,677) | (720)
Stock-based compensation |  | 6,248 | 8,055
Deferred income taxes |  | 7,132 | 4,169
Other non-cash items |  | 3,738 | 292
Changes in assets and liabilities: |  |  |
Receivables, net |  | (37,713) | (30,270)
Inventories |  | 14,789 | (12,485)
Other current assets |  | (631) | (308)
Accounts payable and accrued liabilities |  | (5,872) | 5,142
Pension liabilities |  | (2,141) | 415
Environmental and legal liabilities |  | (392) | 498
Deferred revenues |  | (843) | (846)
Net Cash Provided By Operating Activities | [2] | 124,683 | 119,520
Cash Flows From Investing Activities |  |  |
Expenditures for property, plant and equipment |  | (57,902) | (69,761)
Business acquisition (Note 15) |  | (4,339) |
Other, net |  | (759) | (2,788)
Net Cash Used In Investing Activities |  | (63,000) | (72,549)
Cash Flows From Financing Activities |  |  |
Revolving debt and bank overdrafts, net |  | (7,309) | 1,014
Other debt repayments |  | (5,714) | (6,193)
Dividends paid |  | (13,841) | (12,732)
Company stock repurchased |  | (4,500) | (2,408)
Stock option exercises |  | 3,127 | 3,290
Other, net |  | (1,649) | (275)
Net Cash Used In Financing Activities | [2] | (29,886) | (17,304)
Effect of Exchange Rate Changes on Cash |  | 6,560 | 1,190
Net Increase in Cash and Cash Equivalents |  | 38,357 | 30,857
Cash and Cash Equivalents at Beginning of Period |  | 225,743 | 176,143
Cash and Cash Equivalents at End of Period |  | 264,100 | 207,000
Supplemental Cash Flow Information |  |  |
Cash payments of income taxes, net of refunds |  | 22,377 | 18,577
Cash payments of interest |  | $ 9,113 | $ 9,592
[1] | The 2016 amounts for the noted items have been immaterially changed from the amounts originally reported as a result of the Company’s fourth quarter 2016 adoption of Accounting Standards Update (ASU) No. 2016-9, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.
[2] | The amounts for the nine months ended September 30, 2016 have been immaterially changed from the originally reported amounts as a result of the Company’s fourth quarter 2016 adoption of ASU No.2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.

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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 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=84234705&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=96868048&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=84161450&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=84234705&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=84161450&loc=SL4573702-111684 + 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 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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