Revenue Recognition - Significant Changes in the Contract Assets and Liabilities Balances (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 28, 2020	Dec. 31, 2019
Contract Asset
Beginning Balance	$ 56,364	$ 48,786
Increases due to rights to consideration for customer specific goods produced, but not billed during the period	62,289	51,797
Transferred to receivables from contract assets recognized at the beginning of the period	(56,364)	(48,786)
Acquired as part of a business combination	0	4,567
Ending Balance	62,289	56,364
Contract Liability
Beginning Balance	(17,047)	(18,533)
Revenue deferred or rebates accrued	(15,102)	(29,062)
Recognized as revenue	3,893	8,473
Rebates paid to customers	11,821	22,075
Ending Balance	$ (16,435)	$ (17,047)

Change In Contract With Customer, Asset [Roll Forward]

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- Definition

Change in Contract with Customer, Liability [Roll Forward]

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Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, from business combination.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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