Segment Information - Narratives (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 28, 2019 USD ($)	Sep. 29, 2018 USD ($)	Sep. 28, 2019 USD ($) segment	Sep. 29, 2018 USD ($)
Segment Reporting [Abstract]
Number of reportable segments \| segment			3
Legal fees	$ 3,599		$ 9,922	$ 25,372
Realized gain on hedges	3,021	$ 3,700		3,700
Consolidation and reorganization cost	2,839		16,877
Business acquisition, transaction costs	$ 1,435	1,790	13,432	5,954
Legal settlement accrual		76,500		76,500
Employee retention cost related to business acquisition			7,077
Unrealized gain on hedges			3,053
Other miscellaneous cost			842
Executive compensation expense			625	2,776
Payroll fees				$ 445
Inventory write-down		$ 12,191	$ 734

Other Reconciling Expenses, Business Combination, Employee Retention Cost

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Other Reconciling Expenses, Consolidation and Reorganization Cost

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Other Reconciling Expenses, Executive Compensation Expense

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Other Reconciling Expenses, Other Miscellaneous Cost

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Payroll Processing Fees

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of increase in the fair value of derivatives recognized in the income statement.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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