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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jul. 31, 2012 | Jul. 31, 2011 | Jul. 31, 2010
Cash flows from operating activities: |  |  |
Net income | $ 182,119 | $ 166,375 | $ 151,627
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 48,167 | 45,694 | 43,242
Allowance for doubtful accounts | (192) | 270 | 442
Impairment of long-lived assets | 8,771 |  |
Stock-based compensation | 21,791 | 19,007 | 17,955
Excess benefits from stock-based compensation | (4,367) | (3,547) | (5,643)
(Gain)/loss on sale of property and equipment | (143) | 1,882 | 659
Deferred income taxes | (17,579) | (2,099) | (4,512)
Changes in operating assets and liabilities, net of effects from acquisitions: |  |  |
Accounts receivable | (16,202) | (12,865) | 2,436
Vehicle pooling costs | 1,142 | 13,201 | (1,210)
Inventories | (218) | (2,666) | (256)
Prepaid expenses and other current assets | 6,026 | 4,785 | (8,896)
Other assets | (1,951) | 739 | 311
Accounts payable and accrued liabilities | (3,607) | 5,614 | 8,098
Deferred revenue | (243) | (5,015) | (2,527)
Income taxes receivable | 7,082 | 9,456 | 861
Income taxes payable | (2,545) | 2,529 | (2,740)
Other liabilities | 1,622 | (428) | (440)
Net cash provided by operating activities | 229,673 | 242,932 | 199,407
Cash flows from investing activities: |  |  |
Issuance of notes receivable |  |  | (1,300)
Purchases of property and equipment | (54,832) | (70,170) | (75,840)
Proceeds from sale of property and equipment | 1,268 | 20,602 | 2,477
Proceeds from sale of assets held for sale | 8,041 |  |
Purchases of assets and liabilities in connection with acquisitions, net of cash acquired | (2,564) | (34,912) | (21,362)
Net cash used in investing activities | (48,087) | (84,480) | (96,025)
Cash flows from financing activities: |  |  |
Proceeds from the exercise of stock options | 13,651 | 7,082 | 6,285
Excess tax benefit from stock-based payment compensation | 4,367 | 3,547 | 5,643
Proceeds from the issuance of Employee Stock Purchase Plan shares | 1,957 | 1,957 | 2,044
Repurchases of common stock | (203,285) | (739,638) | (12,706)
Proceeds from issuance of long-term debt | 125,000 | 400,000 |
Debt offering costs | (313) | (2,023) |
Principal payments on long-term debt | (56,250) | (25,000) |
Net cash (used in) provided by financing activities | (114,873) | (354,075) | 1,266
Effect of foreign currency translation | (610) | 1,444 | 849
Net increase (decrease) in cash and cash equivalents | 66,103 | (194,179) | 105,497
Cash and cash equivalents at beginning of period | 74,009 | 268,188 | 162,691
Cash and cash equivalents at end of period | 140,112 | 74,009 | 268,188
Supplemental disclosure of cash flow information: |  |  |
Interest paid | 11,333 | 3,894 | 216
Income taxes paid | $ 106,581 | $ 85,145 | $ 93,989

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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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&loc=d3e3602-108585 + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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