Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
Jun. 28, 2020	Sep. 27, 2020	Dec. 29, 2019
Commitments and Contingencies Disclosure [Abstract]
Extended product warranty accrual, current		$ 7,700	$ 7,500
Extended product warranty accrual, noncurrent		600	2,800
Unrecognized tax benefits, income tax penalties and interest accrued		8,200	$ 7,200
Tax adjustments, settlements, and unusual provisions	$ 8,300	10,500
Estimated litigation liability		1,800
Contractual obligation, to be paid, remainder of fiscal year		25,800
Contractual obligation, to be paid, 2021		116,600
Contractual obligation, to be paid, 2022		$ 125,800

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Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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No definition available.

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Amount of contractual obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of contractual obligation to be paid in remainder of current fiscal year.

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Amount at end of the reporting period of the aggregate extended product warranty liability that is expected to be paid within one year of the balance sheet date or normal operating cycle, if longer. Does not include the balance for the standard product warranty liability.

+ References

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Amount at end of the reporting period of the aggregate extended product warranty liability that is expected to be paid after one year from the balance sheet date or normal operating cycle, if longer. Does not include the balance for the standard product warranty liability.

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Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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