Earnings Per Share - Calculation of Income (Loss) Per Shares (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 04, 2020	Sep. 29, 2019	Oct. 04, 2020	Sep. 29, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 5,913	$ 26,210	$ (91,545)	$ 62,768
Weighted Average Shares Outstanding (in shares)	58,140	57,915	58,055	58,599
Participating Securities (in shares)	452	518	452	518
Shares for Basic Earnings Per Share (in shares)	58,592	58,433	58,507	59,117
Dilutive Effect of Stock Options (in shares)	0	1	0	5
Shares for Diluted Earnings Per Share (in shares)	58,592	58,434	58,507	59,122
Participating Securities
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 0	$ 200	$ 0	$ 600