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Borrowings - 3.875% Convertible Senior Subordinated Notes (Details) - USD ($) shares in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 05, 2017 | Apr. 02, 2017 | Mar. 27, 2016
Short-term Debt [Line Items] |  |  |
Repayments of debt |  | $ 138,251,000 | $ 9,000
Conversion of convertible notes, shares issued upon conversion |  | 400 | 3,000
Loss on extinguishment of debt |  | $ 5,582,000 | $ 0
Shares received from dealer counterparties |  | 120 |
3.875% Convertible Senior Subordinated Notes due 2017 | Senior Notes |  |  |
Short-term Debt [Line Items] |  |  |
Extinguishment of debt, amount | $ 91,700,000 |  |
Principal amount of convertible debt | 1,000 |  |
Repayments of debt | 93,200,000 |  |
Repayments of debt, accrued interest | $ 1,500,000 |  |
Conversion of convertible notes, shares issued upon conversion | 930 |  |
Loss on extinguishment of debt |  | $ 5,200,000 |

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