Revenue Recognition - Impacts of Revenue Guidance, Cash Flow (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 28, 2019	Sep. 29, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net cash used in operating activities	$ 157,779	$ 126,529
Net cash used in investing activities	(25,397)	(41,430)
Net cash used in financing activities	(111,879)	(689,535)
Decrease in cash, cash equivalents, and restricted cash	$ 20,295	$ (604,786)

Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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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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