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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Stockholders' Equity - Common Stock and Share Repurchase Program (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018	Oct. 31, 2018
Share Repurchase Programs
Value of shares repurchased and retired	$ 20,876	$ 26,716	$ 24,272
Common Stock
Common Stock
Number of shares issued during the period		600
Share Repurchase Programs
Number of shares repurchased and retired	221	301	257
Program Authorization Date October 2017
Share Repurchase Programs
Program amount authorized to repurchase				$ 200,000
Program Authorization Date October 2017 \| Common Stock
Share Repurchase Programs
Number of shares repurchased and retired		300	300
Value of shares repurchased and retired		$ 26,700	$ 24,300