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v3.6.0.2

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash Flows from Operating Activities: |  |  |
Net income | $ 222,054 | $ 192,135 | $ 181,951
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 78,218 | 68,956 | 58,888
Amortization on marketable securities, net | 843 | 1,432 |
Impairment charge | 2,228 | 8,212 |
Provision for uncollectible accounts | 1,170 | 2,200 | 2,035
Provision for deferred income taxes | 20,881 | 5,143 | 830
Share-based compensation expense | 19,891 | 19,884 | 18,099
Other | 986 | (472) | (160)
Tax benefit from share-based compensation arrangements | (14,702) | (11,315) | (16,078)
Changes in assets and liabilities: |  |  |
Accounts receivable | (22,554) | (50,142) | (3,626)
Inventories | 7,648 | (34,969) | (38,310)
Accounts payable | 2,117 | (2,468) | 6,703
Deferred revenue | 7,672 | (319) | 14,195
Other assets and liabilities | 8,119 | 18,087 | 11,319
Net cash provided by operating activities | 334,571 | 216,364 | 235,846
Cash Flows from Investing Activities: |  |  |
Purchases of property and equipment | (64,787) | (82,921) | (60,523)
Purchase of marketable securities | (227,894) | (271,958) |
Proceeds from the sale and maturities of marketable securities | 203,859 | 56,775 |
Proceeds from sale of equity investment |  |  | 5,400
Acquisitions of intangible assets |  |  | (175)
Acquisitions of a businesses, net of cash acquired | (1,964) | (10,302) | (25,115)
Net cash used by investing activities | (90,786) | (308,406) | (80,413)
Cash Flows from Financing Activities: |  |  |
Borrowings on revolving credit facilities, net | 38,000 | 24,000 | 272,000
Issuance of senior notes |  | 250,097 | 200,000
Debt issue costs | (56) | (1,380) | (1,406)
Payment of notes payable |  |  | (1,394)
Repurchases of common stock | (304,086) | (401,981) | (618,158)
Proceeds from exercises of stock options and employee stock purchase plans | 38,344 | 22,397 | 29,442
Payment of acquisition-related contingent consideration | (4,728) |  |
Tax benefit from share-based compensation arrangements | 14,702 | 11,315 | 16,078
Net cash used by financing activities | (217,824) | (95,552) | (103,438)
Net effect of changes in exchange rates on cash | (54) | (5,948) | (8,517)
Net increase (decrease) in cash and cash equivalents | 25,907 | (193,542) | 43,478
Cash and cash equivalents at beginning of period | 128,994 | 322,536 | 279,058
Cash and cash equivalents at end of period | $ 154,901 | $ 128,994 | $ 322,536

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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. 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 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 2: 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 Amount of cash inflow (outflow) for debt classified as other. + References Reference 1: 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 cash inflow associated with the sale of debt securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&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/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 Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: 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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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + 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=66902209&loc=d3e3291-108585 Reference 2: 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 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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