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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Sep. 30, 2011
QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract] |
Schedule of Quarterly Financial Information [Table Text Block] | (In thousands, except per share data)
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Fiscal Year
Fiscal 2011 |  |  |  |  |  |  |  |  |
Net revenue | $ | 335,120 |  |  | $ | 325,411 |  |  | $ | 356,075 |  |  | $ | 402,316 |  |  | $ | 1,418,922 |
Gross profit | 148,538 |  |  | 140,981 |  |  | 156,225 |  |  | 174,560 |  |  | 620,304 |
Net income | 60,868 |  |  | 49,960 |  |  | 51,548 |  |  | 64,209 |  |  | 226,585 |
Per share data (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income, basic | $ | 0.34 |  |  | $ | 0.27 |  |  | $ | 0.28 |  |  | $ | 0.35 |  |  | $ | 1.24 |
Net income, diluted | $ | 0.32 |  |  | $ | 0.26 |  |  | $ | 0.27 |  |  | $ | 0.34 |  |  | $ | 1.19 |
Fiscal 2010 |  |  |  |  |  |  |  |  |
Net revenue | $ | 245,138 |  |  | $ | 238,058 |  |  | $ | 275,370 |  |  | $ | 313,283 |  |  | $ | 1,071,849 |
Gross profit | 102,554 |  |  | 99,854 |  |  | 118,266 |  |  | 136,159 |  |  | 456,833 |
Net income | 28,010 |  |  | 27,744 |  |  | 34,736 |  |  | 46,804 |  |  | 137,294 |
Per share data (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income, basic | $ | 0.16 |  |  | $ | 0.16 |  |  | $ | 0.20 |  |  | $ | 0.26 |  |  | $ | 0.78 |
Net income, diluted | $ | 0.16 |  |  | $ | 0.15 |  |  | $ | 0.19 |  |  | $ | 0.25 |  |  | $ | 0.75 |

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- Definition QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract] + Details
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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 270 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a)-(j) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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