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Borrowing Arrangements | 6 Months Ended
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Mar. 30, 2012
Debt Disclosure [Abstract] |
BORROWING ARRANGEMENTS | BORROWING ARRANGEMENTS On March 2, 2007, the Company issued $200.0 million aggregate principal amount of convertible subordinated notes ("2007 Convertible Notes"). The offering contained two tranches. The first tranche consisted of $100.0 million of 1.25% convertible subordinated notes due March 2010 (the "1.25% Notes") which have been retired. The second tranche consisted of $100.0 million aggregate principal amount of 1.50% convertible subordinated notes due March 2012 (the "1.50% Notes"). During the six months ended March 30, 2012, the Company redeemed and retired the remaining $26.7 million of aggregate principal amount of the 1.50% Notes, paying a cash premium of $21.4 million which was accounted for as a reacquisition of equity instruments in accordance with ASC 470-20 - Debt, Debt with Conversions and Other Options. The following tables provide additional information about the Company's 2007 Convertible Notes (in thousands):
| As of
| March 30, 2012 |  | September 30, 2011
Equity component of the convertible notes outstanding | $ | — |  |  | $ | 6,061 |
Principal amount of the convertible notes | $ | — |  |  | $ | 26,677 |
Unamortized discount of the liability component | $ | — |  |  | $ | 588 |
Net carrying amount of the liability component | $ | — |  |  | $ | 26,089 |
| Three-months Ended |  | Six-months Ended
| March 30, 2012 |  | April 1, 2011 |  | March 30, 2012 |  | April 1, 2011
Effective interest rate on the liability component | 6.86 | % |  | 6.86 | % |  | 6.86 | % |  | 6.86 | %
Cash interest expense recognized (contractual interest) | $ | 8 |  |  | $ | 100 |  |  | $ | 105 |  |  | $ | 200 |
Effective interest expense recognized | $ | 77 |  |  | $ | 333 |  |  | $ | 428 |  |  | $ | 661 |

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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