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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jul. 29, 2017 | Jul. 30, 2016
Cash flows from operating activities: |  |
Net income | $ 434.3 | $ 402.8
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 305.2 | 324.2
Provision for deferred taxes | (6.8) | (31.1)
Amortization of debt discount and debt-issuance costs | 8.4 | 9.5
Receivable impairment | 53.5 | 0.0
Other non-cash adjustments to net income | 49.2 | 43.1
Changes in operating assets and liabilities | (168.6) | (68.2)
Net cash provided by operating activities | 675.2 | 680.3
Cash flows from investing activities: |  |
Capital expenditures | (271.7) | (355.9)
Purchase of restricted investments | 0.0 | (36.1)
Proceeds from sale of restricted investments | 0.0 | 118.1
Proceeds from fixed asset disposition | 2.1 | 1.5
Net cash used in investing activities | (269.6) | (272.4)
Cash flows from financing activities: |  |
Principal payments for long-term debt | (569.3) | (54.0)
Proceeds from stock issued pursuant to stock-based compensation plans | 14.9 | 22.7
Cash paid for taxes on exercises/vesting of stock-based compensation | (24.7) | (19.9)
Net cash used in financing activities | (579.1) | (51.9)
Effect of exchange rate changes on cash and cash equivalents | 0.4 | 1.1
Net increase (decrease) in cash and cash equivalents | (173.1) | 357.1
Cash and cash equivalents at beginning of period | 866.4 | 736.1
Cash and cash equivalents at end of period | 693.3 | 1,093.2
Cash paid for: |  |
Interest, net of amounts capitalized | 143.7 | 175.0
Income taxes | 363.8 | 319.0
Non-cash transactions: |  |
Accrued capital expenditures | $ 37.6 | $ 78.7

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