Earnings Per Share - Net Income and Weighted Average Shares for Basic and Diluted EPS (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to participating securities	$ 16,432	$ 26,210	$ 29,499	$ 7,059	$ 6,395	$ 8,172	$ 20,602	$ 15,084	$ 79,200	$ 50,253	$ 53,246
Weighted Average Shares Outstanding (in shares)									58,475	58,995	61,528
Participating Securities (in shares)									468	549	468
Shares for Basic Earnings Per Share (in shares)									58,943	59,544	61,996
Dilutive Effect of Stock Options (in shares)									5	22	44
Shares for Diluted Earnings Per Share (in shares)									58,948	59,566	62,040
Participating Securities
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income attributable to participating securities									$ 600	$ 500	$ 400