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v3.8.0.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Apr. 01, 2017
Operating Activities |  |
Net Income | $ 26,405 | $ 15,426
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation of property and equipment | 3,704 | 3,596
Amortization of other intangible assets and other assets | 6,427 | 6,752
Amortization of debt discount and debt issuance costs | 3,169 | 869
Stock-based compensation expense | 12,192 | 10,486
Deferred income taxes | (4,780) | (4,059)
Changes in operating assets and liabilities: |  |
Accounts receivable | (3,307) | (1,252)
Inventories | (3,368) | (1,636)
Prepaid expenses and other assets | (17,169) | 6,708
Accounts payable | 13,030 | 5,565
Other current liabilities and income taxes | (9,463) | (2,944)
Deferred income, deferred revenue and returns liability | (2,599) | 4,038
Other non-current liabilities | (1,849) | (1,536)
Net cash provided by operating activities | 22,212 | 42,013
Investing Activities |  |
Purchases of available-for-sale investments | (52,821) | (267,777)
Sales and maturities of available-for-sale investments | 128,975 | 25,595
Purchases of property and equipment | (4,102) | (4,543)
Purchases of other assets | (4,698) | (1,446)
Acquisitions of business, net of cash acquired |  | (13,658)
Net cash provided by (used in) investing activities | 67,354 | (261,829)
Financing Activities |  |
Proceeds from issuance of long-term debt, net |  | 390,000
Payments on debt |  | (72,500)
Payment of taxes withheld for vested stock awards | (17,871) | (13,553)
Proceeds from the issuance of common stock | 1,211 | 162
Net cash provided by (used in) financing activities | (16,660) | 304,109
Increase in cash and cash equivalents | 72,906 | 84,293
Cash and cash equivalents at beginning of period | 269,366 | 141,106
Cash and cash equivalents at end of period | $ 342,272 | $ 225,399

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible and other assets in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. + References No definition available. + Details
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- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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