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Borrowings and Credit Arrangements (Tables) | 3 Months Ended
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Dec. 26, 2015
Debt Disclosure [Abstract] |
Company's Borrowings | The Company’s borrowings consisted of the following:
| December 26, 2015 |  | September 26, 2015
Current debt obligations, net of debt discount: |  |  |
Term Loan | $ | 74.7 |  |  | $ | 74.6 |
Revolver | 175.0 |  |  | 175.0 |
Convertible Notes | 143.6 |  |  | 142.2 |
Total current debt obligations | $ | 393.3 |  |  | $ | 391.8 |
Long-term debt obligations, net of debt discount: |  |  |
Term Loan | 1,381.4 |  |  | 1,399.8 |
2022 Senior Notes | 987.2 |  |  | 986.7 |
Convertible Notes | 870.5 |  |  | 861.5 |
Total long-term debt obligations | $ | 3,239.1 |  |  | $ | 3,248.0 |
Total debt obligations | $ | 3,632.4 |  |  | $ | 3,639.8 |
Interest Expense under Convertible Notes | Interest expense under the Convertible Notes was as follows:
| Three Months Ended
| December 26, 2015 |  | December 27, 2014
Amortization of debt discount | $ | 6.4 |  |  | $ | 8.8 |
Amortization of deferred financing costs | 0.3 |  |  | 0.4 |
Principal accretion | 4.1 |  |  | 3.9 |
Non-cash interest expense | 10.8 |  |  | 13.1 |
2.00% accrued interest (cash) | 3.2 |  |  | 4.8 |
| $ | 14.0 |  |  | $ | 17.9 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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