Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 29, 2020	Jun. 28, 2020	Dec. 29, 2019
Loss Contingencies [Line Items]
Extended product warranty accrual, current		$ 7,200	$ 7,500
Extended product warranty accrual, noncurrent		600	2,800
Unrecognized tax benefits, income tax penalties and interest accrued		19,700	20,100
Tax adjustments, settlements, and unusual provisions	$ 8,300	9,000
Long-term pension liability		6,632	5,897
Future Financing
Loss Contingencies [Line Items]
Other Commitment		2,900
Other Noncurrent Liabilities
Loss Contingencies [Line Items]
Long-term pension liability		$ 6,600	$ 5,900

Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan.

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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.

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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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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