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Borrowings and Credit Arrangements (Tables) | 3 Months Ended
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Dec. 31, 2016
Debt Disclosure [Abstract] |
Company's Borrowings | The Company’s borrowings consisted of the following:
| December 31, 2016 |  | September 24, 2016
Current debt obligations, net of debt discount: |  |  |
Term Loan | $ | 93.1 |  |  | $ | 83.8 |
Securitization Program | 188.0 |  |  | 200.0 |
Convertible Notes | 426.2 |  |  | 12.2 |
Total current debt obligations | $ | 707.3 |  |  | $ | 296.0 |
Long-term debt obligations, net of debt discount: |  |  |
Term Loan | 1,281.2 |  |  | 1,308.2 |
2022 Senior Notes | 978.8 |  |  | 977.7 |
Convertible Notes | 355.6 |  |  | 763.5 |
Total long-term debt obligations | $ | 2,615.6 |  |  | $ | 3,049.4 |
Total debt obligations | $ | 3,322.9 |  |  | $ | 3,345.4 |
Interest Expense under Convertible Notes | Interest expense under the Convertible Notes was as follows:
| Three Months Ended
| December 31, 2016 |  | December 26, 2015
Amortization of debt discount | $ | 5.2 |  |  | $ | 6.4 |
Amortization of deferred financing costs | 0.2 |  |  | 0.3 |
Principal accretion | 4.6 |  |  | 4.1 |
Non-cash interest expense | 10.0 |  |  | 10.8 |
2.00% accrued interest (cash) | 2.0 |  |  | 3.2 |
| $ | 12.0 |  |  | $ | 14.0 |

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