The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Borrowings - Conversions (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended			9 Months Ended
	Sep. 25, 2016	Jun. 26, 2016	Sep. 27, 2015	Sep. 25, 2016	Sep. 27, 2015
Debt Instrument [Line Items]
Debt conversion, amount converted				$ 35,205	$ 62
Conversion of convertible notes, shares issued upon conversion	1.3		2.9	1.9	2.6
Loss on extinguishment of debt	$ 0		$ 0	$ 19,261	$ 10,454
Conversion [Member] \| Convertible Notes Payable \| Convertible Debt
Debt Instrument [Line Items]
Principal amount		$ 44,300
Debt conversion, amount converted		$ 44,300
Conversion of convertible notes, shares issued upon conversion		0.4
Loss on extinguishment of debt		$ 3,000
Dealer Counterparty \| Conversion [Member] \| Convertible Notes Payable \| Convertible Debt
Debt Instrument [Line Items]
Conversion of convertible notes, shares issued upon conversion		0.4