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v3.8.0.1

Consolidated Statements Of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities: |  |  |
Net income | $ 457,248,000 | $ 440,645,000 | $ 375,236,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation of property and equipment and amortization of other intangible assets | 49,878,000 | 58,167,000 | 61,491,000
Stock-based compensation | 52,907,000 | 50,044,000 | 46,075,000
Gain (Loss) on Disposition of Business | (10,421,000) | 0 | 0
Unrealized Gain (Loss) on Derivatives | 893,000 | (2,402,000) | 14,130,000
contingent interest payment for debenture | (15,232,000) | (13,385,000) | (10,759,000)
Amortization of Financing Costs and Discounts | 14,678,000 | 13,411,000 | 12,292,000
Investment Income, Amortization of Discount | (14,860,000) | (5,527,000) | (1,843,000)
Other Operating Activities, Cash Flow Statement | (67,000) | 1,740,000 | 62,000
Changes in operating assets and liabilities |  |  |
Prepaid expenses and other assets | (13,775,000) | (8,109,000) | 1,067,000
Accounts payable and accrued liabilities | 15,483,000 | 40,244,000 | 21,013,000
Deferred revenues | 25,348,000 | 14,347,000 | 70,988,000
Net deferred income taxes and other long term tax liabilities | 113,131,000 | 87,614,000 | 82,328,000
Net Cash Provided by (Used in) Operating Activities | 702,761,000 | 693,007,000 | 669,946,000
Cash flows from investing activities: |  |  |
Proceeds from maturities and sales of marketable securities | 4,562,161,000 | 3,817,899,000 | 2,767,027,000
Purchases of marketable securities | (4,929,834,000) | (3,691,057,000) | (3,219,329,000)
Purchases of property and equipment | (49,499,000) | (26,574,000) | (40,656,000)
Payments to Acquire Intangible Assets | 0 | (143,000,000) | 0
Other investing activities | 12,096,000 | 2,333,000 | (3,941,000)
Net cash provided by (used in) investing activities | (405,076,000) | (40,399,000) | (496,899,000)
Cash flows from financing activities: |  |  |
Proceeds from issuance of common stock from option exercises and employee stock purchase plans | 12,915,000 | 13,670,000 | 14,690,000
Repurchases of common stock | (621,173,000) | (662,491,000) | (643,169,000)
Proceeds received from borrowing | 543,185,000 | 0 | 492,237,000
Net cash used in financing activities | (65,073,000) | (648,821,000) | (136,242,000)
Effect of exchange rate changes on cash and cash equivalents | 1,294,000 | (501,000) | 246,000
Net increase (decrease) in cash and cash equivalents | 233,906,000 | 3,286,000 | 37,051,000
Cash and cash equivalents at beginning of period | 231,945,000 | 228,659,000 | 191,608,000
Cash and cash equivalents at end of period | 465,851,000 | 231,945,000 | 228,659,000
Supplemental cash flow disclosures: |  |  |
Cash paid for interest, net of capitalized interest | 117,234 | 115,544 | 99,473
Cash paid for income taxes, net of refunds received | $ 28,294,000 | $ 14,303,000 | $ 39,723,000

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- References No definition available. + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + 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 (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition contingent interest payment for debenture + References No definition available. + Details
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