Stockholders' Equity (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 27, 2021	Jun. 28, 2020	Mar. 29, 2020	Jun. 27, 2021	Jun. 28, 2020
Stockholders Equity Note [Abstract]
Shares remaining authorized for repurchase (in shares)	2,000			2,000
Stock repurchased (in shares)				700	900
Cost of stock repurchased	$ 24,999	$ 7,500	$ 15,008	$ 25,000	$ 22,500
RSU withholdings (in shares)				154	149
RSU withholdings				$ 5,915	$ 3,607

Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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