Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jul. 03, 2021	Jul. 03, 2021	Dec. 31, 2020
Assets [Abstract]
Held-to-maturity Securities Transferred		$ 0	$ 0
Held-to-maturity Securities, Unrecognized Holding Gain	$ 0	0	0
Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities	0		0
Held-to-maturity Securities, Unrecognized Holding Loss	0	0	0
Liabilities [Abstract]
Long-term debt, fair value	494,800	494,800	491,400
Carrying value of long-term debt, excluding derivative liabilities	465,344	465,344	406,398
Derivative, Notional Amount	100,000	100,000	100,000
Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Assets held in rabbi trusts	58,326	58,326	57,892
Available for sale securities	4,710	4,710	4,917
Fair value assets	63,036	63,036	62,809
Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Assets held in rabbi trusts	32,479	32,479	34,145
Available for sale securities	4,710	4,710	4,917
Fair value assets	37,189	37,189	39,062
Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Assets held in rabbi trusts	25,847	25,847	23,747
Available for sale securities	0	0	0
Fair value assets	25,847	25,847	23,747
Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Assets held in rabbi trusts	0	0	0
Available for sale securities	0	0	0
Fair value assets	$ 0	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
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-Section 50
-Paragraph 2
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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount of investment in debt security, measured at amortized cost, transferred to investment in debt security, measured at fair value, with change in fair value recognized in other comprehensive income (available-for-sale) and net income (trading).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Nominal or face amount used to calculate payment on derivative.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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-Publisher FASB
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).

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-Publisher FASB
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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at amortized cost (held-to-maturity), recognized in earnings and other comprehensive income (OCI).

+ References

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The carrying value of long-term debt, excluding the derivative liability.

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Fair value as of the balance sheet date of assets held in rabbi trusts to fund payments under deferred compensation and non-qualified pension plans.

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