Number of shares of aggregate payout if targets are achieved.

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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General - Basis of Presentation - Stock Benefit Plans (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 30, 2020	Jul. 04, 2021	Jun. 30, 2020
Stock Benefit Plans
Stock-based compensation	$ 3,001,000	$ 6,020,000	$ 9,638,000	$ 10,300,000
Payment of cash dividends			$ 210,000	21,418,000
Performance awards
Stock Benefit Plans
Aggregate payout if targets achieved (in shares)	186,000		186,000
Unrecognized compensation cost	$ 9,300,000		$ 9,300,000
Stock-based compensation			0
Dividend Equivalent Rights
Stock Benefit Plans
Payment of cash dividends	200,000		200,000
Long Term Incentive Plan
Stock Benefit Plans
Stock-based compensation	2,785,000	6,015,000	9,347,000	10,220,000
Employee Stock Purchase Plan
Stock Benefit Plans
Stock-based compensation	$ 216,000	$ 5,000	$ 291,000	$ 80,000