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RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS (Statement of Operations) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Cost of sales | $ 116,489 | $ 81,212
Gross profit | 97,202 | 68,427
Selling, general and administrative | 27,793 | 27,863
Operating expenses | 58,043 | 49,368
Income from operations | 39,159 | 19,059
Income before income taxes | 40,868 | 19,969
Income tax expense | 110,412 | 2,573
Net income | $ (69,528) | $ 17,396
Net income per share: |  |
Basic (in dollars per share) | $ (0.99) | $ 0.25
Diluted (in dollars per share) | $ (0.99) | $ 0.24
As Previously Reported |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Cost of sales | $ 114,652 | $ 81,321
Gross profit | 99,039 | 68,318
Selling, general and administrative | 30,218 | 29,532
Operating expenses | 60,468 | 51,037
Income from operations | 38,571 | 17,281
Income before income taxes | 40,280 | 18,191
Income tax expense | 109,633 | 2,608
Net income | $ (69,337) | $ 15,583
Net income per share: |  |
Basic (in dollars per share) | $ (0.98) | $ 0.22
Diluted (in dollars per share) | $ (0.98) | $ 0.22
Effect of Restatement |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Cost of sales | $ 1,837 | $ (109)
Gross profit | (1,837) | 109
Selling, general and administrative | (2,425) | (1,669)
Operating expenses | (2,425) | (1,669)
Income from operations | 588 | 1,778
Income before income taxes | 588 | 1,778
Income tax expense | 779 | (35)
Net income | $ (191) | $ 1,813
Net income per share: |  |
Basic (in dollars per share) | $ (0.01) | $ 0.03
Diluted (in dollars per share) | $ (0.01) | $ 0.02

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 5: 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(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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