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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
Cash flows from operating activities: |  |  |
Net income | $ (54,465) | $ 47,557 | $ 160,194
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Stock-based compensation | 65,996 | 50,182 | 50,889
Depreciation and amortization | 86,554 | 84,433 | 77,307
Benefit from deferred income taxes | (44,182) | (49,361) | (19,946)
Excess tax benefits realized from stock-based awards | (93) | (24) | (10,428)
Pension settlement loss | 0 | 66,332 | 0
Other non-cash costs, net | 966 | 157 | (760)
Changes in operating assets and liabilities, excluding the effects of acquisitions: |  |  |
Accounts receivable | 52,617 | 29,723 | 7,554
Accounts payable and accrued expenses | (14,185) | 31,134 | (436)
Accrued compensation and benefits | 60,944 | (56,950) | 8,974
Deferred revenue | 16,232 | 8,852 | 24,998
Accrued income taxes, net of income tax receivable | 6,749 | (3,536) | 19,134
Other current assets and prepaid expenses | 4,591 | (10,716) | 4,417
Other noncurrent assets | 1,444 | (17,880) | (17,345)
Net cash provided by operating activities | 183,168 | 179,903 | 304,552
Cash flows from investing activities: |  |  |
Additions to property and equipment | (26,189) | (30,628) | (25,275)
Acquisitions of businesses, net of cash acquired | (165,802) | (98,411) | (323,525)
Purchases of investments | (45,165) | (11,000) | 0
Net cash used by investing activities | (237,156) | (140,039) | (348,800)
Cash flows from financing activities: |  |  |
Borrowings under credit facility | 670,000 | 185,000 | 1,386,250
Repayments of borrowings under revolving credit facility | (580,000) | (128,750) | (1,032,500)
Repurchases of common stock | 0 | (64,940) | (224,915)
Proceeds from issuance of common stock | 21 | 41 | 877
Excess tax benefits realized from stock-based awards | 93 | 24 | 10,428
Payments of withholding taxes in connection with vesting of stock-based awards | (20,939) | (29,207) | (26,857)
Credit facility origination costs | (6,855) | 0 | (7,930)
Contingent consideration | (10,621) | (4,323) | 0
Net cash provided (used) by financing activities | 51,699 | (42,155) | 105,353
Effect of exchange rate changes on cash and cash equivalents | 6,807 | (17,946) | (9,364)
Net increase (decrease) in cash and cash equivalents | 4,518 | (20,237) | 51,741
Cash and cash equivalents, beginning of year | 273,417 | 293,654 | 241,913
Cash and cash equivalents, end of year | 277,935 | 273,417 | 293,654
Fair value of contingent consideration recorded for acquisition | $ 16,900 | $ 3,800 | $ 13,048

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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