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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jul. 01, 2017
Operating activities: |  |
Net income | $ 109,742 | $ 55,742
Adjustments to reconcile net income to cash provided by operating activities: |  |
Depreciation and amortization | 21,774 | 25,554
Amortization of deferred financing costs and debt discount | 4,122 | 2,861
Impairment of intangible and long-lived assets | 0 | 60
Write-off of net assets due to cessation of Spain operations | 0 | 70
Share-based compensation expense | 9,675 | 4,817
Deferred tax provision | 752 | 10,331
Allowance for doubtful accounts | 54 | (857)
Reserve for inventory obsolescence | 8,338 | 4,962
Foreign currency exchange rate loss | 868 | 150
Gain on early extinguishment of debt | 0 | (1,802)
Changes in cash due to: |  |
Receivables | (9,650) | 3,490
Inventories | 4,999 | 5,887
Prepaid expenses | (3,023) | 4,338
Accounts payable | (798) | (19,727)
Accrued liabilities | (1,696) | (28,575)
Deferred revenue | 13,259 | 21,847
Other long term assets and liabilities, net | (4,309) | 144
Income taxes | 14,480 | 8,823
Cash provided by operating activities | 168,587 | 98,115
Investing activities: |  |
Capital expenditures | (7,733) | (5,614)
Capitalized software expenditures | (13,118) | (13,419)
Other items, net | (9,669) | (86)
Cash used for investing activities | (30,520) | (19,119)
Financing activities: |  |
Net (payments) borrowings on revolver | (25,000) | 0
Payments on long-term debt | (38,500) | (83,334)
Taxes paid related to net share settlement of equity awards | (11,139) | (3,648)
Proceeds from stock options exercised | 23,262 | 1,258
Cash used for financing activities | (51,377) | (85,724)
Effect of exchange rate changes on cash and cash equivalents | (1,989) | 2,557
Net increase (decrease) in cash and cash equivalents | 84,701 | (4,171)
Cash and cash equivalents, beginning of period | 83,054 | 108,656
Cash and cash equivalents, end of period | $ 167,755 | $ 104,485

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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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