v3.8.0.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Cash flows from operating activities:      
Net income (loss) $ 520,831,000 $ 21,151,000 $ (811,400,000)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:      
Depreciation and amortization 83,487,000 107,851,000 100,176,000
Share-based compensation 86,689,000 113,970,000 133,779,000
Amortization and write-off of acquired intangible assets 3,570,000 10,641,000 12,688,000
Restructuring related impairment charges (gain) (4,561,000) 52,581,000 16,032,000
Loss (gain) from investments in privately-held companies (2,501,000) 0 3,503,000
Amortization of premium /discount on available-for-sale securities 995,000 3,319,000 8,112,000
Other non-cash expense (income), net 1,324,000 (3,312,000) 2,196,000
Excess tax benefits from share-based compensation 0 (37,000) (26,000)
Deferred income taxes 19,825,000 44,637,000 6,096,000
Gain on sale of property and equipment (743,000) 0 0
Gain on sale of discontinued operations (88,406,000) 0 0
Gain on sale of business (5,254,000) 0 0
Changes in assets and liabilities:      
Accounts receivable 54,989,000 (12,084,000) 97,655,000
Inventories (12,160,000) 29,325,000 90,586,000
Prepaid expenses and other assets 12,494,000 1,825,000 (23,209,000)
Accounts payable (16,613,000) (28,153,000) (105,898,000)
Accrued liabilities and other non-current liabilities (62,360,000) 3,763,000 (15,202,000)
Carnegie Mellon University accrued litigation settlement 0 (736,000,000) 736,000,000
Accrued employee compensation (11,936,000) 18,016,000 (33,338,000)
Deferred income (8,557,000) 14,072,000 (12,398,000)
Net cash provided by (used in) operating activities 571,113,000 (358,435,000) 205,352,000
Cash flows from investing activities:      
Purchases of available-for-sale securities (835,494,000) (489,856,000) (1,056,045,000)
Sales of available-for-sale securities 306,822,000 616,697,000 991,657,000
Maturities of available-for-sale securities 426,341,000 239,557,000 311,843,000
Return of investment from (in) privately-held companies 6,089,000 16,000 (41,000)
Purchases of time deposits (300,000,000) (275,000,000) 0
Maturities of time deposits 300,000,000 125,000,000 0
Purchases of technology licenses (6,587,000) (10,309,000) (8,236,000)
Purchases of property and equipment (38,551,000) (44,510,000) (37,255,000)
Proceeds from sales of property and equipment 12,559,000 0 10,007,000
Purchases of equipment previously leased 0 0 (10,240,000)
Net proceeds from sale of discontinued operations 165,940,000 0 0
Net proceeds from sale of business 2,402,000 0 0
Net cash provided by investing activities 39,521,000 161,595,000 201,690,000
Cash flows from financing activities:      
Repurchases of common stock (527,574,000) (181,564,000) (260,875,000)
Proceeds from employee stock plans 180,302,000 74,219,000 80,717,000
Minimum tax withholding paid on behalf of employees for net share settlement (26,840,000) (16,683,000) (24,358,000)
Dividend payments to shareholders (119,251,000) (122,292,000) (122,821,000)
Payments on technology license obligations (28,503,000) (20,965,000) (12,528,000)
Excess tax benefits from share-based compensation 0 37,000 26,000
Payment of equity and debt financing costs (14,378,000) 0 0
Net cash used in financing activities (536,244,000) (267,248,000) (339,839,000)
Net increase (decrease) in cash and cash equivalents 74,390,000 (464,088,000) 67,203,000
Cash and cash equivalents at beginning of the year 814,092,000 1,278,180,000 1,210,977,000
Cash and cash equivalents at end of the year $ 888,482,000 $ 814,092,000 $ 1,278,180,000