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Earnings Per Share - Net Income Attributable to Participating Securities and Weighted Average Shares for Basic and Diluted EPS (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 04, 2021	Apr. 05, 2020
Earnings Per Share, Two Class Method [Line Items]
Net income (loss)	$ 6,938	$ (102,167)
Weighted Average Shares Outstanding (in shares)	57,979	58,060
Participating Securities (in shares)	751	390
Shares for Basic Earnings Per Share (in shares)	58,730	58,450
Dilutive Effect of Stock Options (in shares)	0	2
Shares for Diluted Earnings Per Share (in shares)	58,730	58,452
Participating Securities
Earnings Per Share, Two Class Method [Line Items]
Net income (loss)	$ 100	$ 0

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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