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v3.7.0.1

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 3 Months Ended
--- | ---
Apr. 30, 2017 | Apr. 30, 2016
Operating activities: |  |
Net loss | $ (129.6) | $ (167.7)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation, amortization and accretion | 28.4 | 37.4
Stock-based compensation expense | 66.8 | 51.6
Deferred income taxes | (0.4) | 6.2
Restructuring (benefits) charges and other facility exit costs, net | (0.3) | 52.3
Other operating activities | 7.3 | 8.3
Changes in operating assets and liabilities, net of acquisitions: |  |
Accounts receivable | 220.9 | 397.4
Prepaid expenses and other current assets | 6.2 | (14.9)
Accounts payable and accrued liabilities | (133.1) | (80.7)
Deferred revenue | 13.3 | 4.1
Accrued income taxes | (34.3) | (129.6)
Net cash provided by operating activities | 45.2 | 164.4
Investing activities: |  |
Purchases of marketable securities | (119.4) | (577.5)
Sales of marketable securities | 100.0 | 107.6
Maturities of marketable securities | 282.6 | 322.6
Capital expenditures | (8.6) | (22.3)
Acquisitions, net of cash acquired | 0.0 | (59.6)
Other investing activities | 3.9 | (1.0)
Net cash provided by (used in) investing activities | 258.5 | (230.2)
Financing activities: |  |
Proceeds from issuance of common stock, net of issuance costs | 50.1 | 51.2
Taxes paid related to net share settlement of equity awards | (33.0) | (18.3)
Repurchases of common stock | (195.9) | (100.1)
Net cash used in financing activities | (178.8) | (67.2)
Effect of exchange rate changes on cash and cash equivalents | 2.2 | 3.4
Net increase (decrease) in cash and cash equivalents | 127.1 | (129.6)
Cash and cash equivalents at beginning of period | 1,213.1 | 1,353.0
Cash and cash equivalents at end of period | $ 1,340.2 | $ 1,223.4

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