Earnings Per Share - Calculation of Income (Loss) Per Shares (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 05, 2020	Mar. 31, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ (102,167)	$ 7,059
Weighted Average Shares Outstanding (in shares)	58,060	59,065
Participating Securities (in shares)	390	567
Shares for Basic Earnings Per Share (in shares)	58,450	59,632
Dilutive Effect of Stock Options (in shares)	2	10
Shares for Diluted Earnings Per Share (in shares)	58,452	59,642
Participating Securities
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 0	$ 100