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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Operating activities |  |  |
Net income | $ 30,390 | $ 41,104 | $ 48,296
Adjustments to reconcile income from continuing operations to net cash provided by operating activities from continuing operations: |  |  |
Depreciation and amortization | 16,595 | 17,374 | 14,166
Gain on early extinguishment of debt |  | (1,000) |
Change in fair value of earn out liability | (18,390) | 5,437 | (664)
Stock compensation expense | 12,605 | 13,379 | 12,117
Provision (benefit) for inventory allowance | 271 | (1,122) | 884
Provision (benefit) for doubtful accounts | 151 | (357) | 117
Deferred tax expense (benefit) | 828 | (6,852) | (1,719)
Incremental tax benefit from exercise of common stock options and restricted stock | (3,805) | (8,588) | (16,953)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 2,211 | (7,466) | (1,596)
Inventory | (49,488) | (7,470) | (132)
Prepaid and deferred taxes, current | (2,829) | 14,243 | 17,432
Prepaid expenses and other assets | 2,735 | (26) | 458
Accounts payable | (545) | 6,542 | (7,570)
Accrued expenses and other | 9,659 | (2,341) | (8,534)
Profit-sharing distributions payable | 425 | 274 | (3,226)
Customer payables | 12,046 | (4,768) | 2,510
Acquisition earn out payable |  | 11,422 | 3,162
Other liabilities | (1,003) | (198) | 205
Net cash provided by operating activities from continuing operations | 11,856 | 46,743 | 52,629
Net cash used by operating activities from discontinued operations |  |  | (483)
Net cash provided by operating activities | 11,856 | 46,743 | 52,146
Investing activities |  |  |
Cash paid for acquisitions and increase in goodwill and intangibles | (141) | (14,730) | (71,796)
Purchases of property and equipment | (7,539) | (5,463) | (6,793)
Net cash used in investing activities | (7,680) | (20,193) | (78,589)
Financing activities |  |  |
Principal repayments of debt |  | (39,000) |
Repurchases of common stock | (44,873) |  | (29,999)
Proceeds from exercise of common stock options (net of tax) | 4,146 | 2,532 | 15,491
Incremental tax benefit from exercise of common stock options and restricted stock | 3,805 | 8,588 | 16,953
Payment of acquisition contingent liabilities |  | (8,185) |
Net cash (used in) provided by financing activities | (36,922) | (36,065) | 2,445
Effect of exchange rate differences on cash and cash equivalents | 235 | (158) | (309)
Net (decrease) increase in cash and cash equivalents | (32,511) | (9,673) | (24,307)
Cash and cash equivalents at beginning of year | 95,109 | 104,782 | 129,089
Cash and cash equivalents at end of year | 62,598 | 95,109 | 104,782
Supplemental disclosure of cash flow information |  |  |
Cash paid for income taxes | 18,108 | 16,760 | 14,482
Cash paid for interest |  | 2,034 | 117
Note payable issued in connection with acquisition |  |  | 40,000
Contingent purchase price accrued |  | $ 18,390 | $ 7,438

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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
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- Definition The fair value of notes issued in noncash investing and financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The cash outflow to reacquire common stock during the period. + 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 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + 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=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + 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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: 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=31042434&loc=d3e3255-108585 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + 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=31042434&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 + Details
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