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Revenue Recognition - Significant Changes in the Contract Assets and Liabilities Balances (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 03, 2021 | Dec. 31, 2020
Contract Asset |  |
Beginning Balance | $ 48,390 | $ 56,364
Increases due to rights to consideration for customer specific goods produced, but not billed during the period | 49,377 | 48,390
Transferred to receivables from contract assets recognized at the beginning of the period | (48,390) | (56,364)
Ending Balance | 49,377 | 48,390
Contract Liability |  |
Beginning Balance | (16,687) | (17,047)
Revenue deferred or rebates accrued | (28,142) | (32,512)
Recognized as revenue | 5,110 | 9,189
Rebates paid to customers | 20,571 | 23,683
Ending Balance | $ (19,148) | $ (16,687)

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130533-203044 + Details
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