Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended									12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Oct. 01, 2023	Jul. 02, 2023	Apr. 02, 2023	Jan. 01, 2023	Oct. 02, 2022	Jul. 03, 2022	Apr. 03, 2022	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022	Apr. 27, 2023	Jul. 22, 2022
Schedule of Stockholders' Equity [Line Items]
Repurchased Common Shares For Activity Pursuant to Equity Incentive Plans										103,144	115,247	71,248
Aggregate Cost of Repurchased Common Shares for Activity Pursuant to Equity Incentive Plans										$ 13,100	$ 18,100	$ 10,500
Cash dividends (per share)		$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.28
Cost of Repurchased Common Shares, Repurchase Plan and Amount for Statutory Tax Withholding Obligations										$ 392,302	80,638	73,072
Dividends accrued		$ 8,600								8,600
Unrecognized prior service credit (cost), net of tax										$ 0	$ 44	$ (95)
Repurchase Program, 07/22/2022
Schedule of Stockholders' Equity [Line Items]
Number of common stock repurchased in open market										1,004,544
Stock Repurchase Program, Authorized Amount														$ 300,000
Aggregate Cost of Repurchased Common Shares Under Repurchase Program										$ 131,300
Repurchase Program, 04/27/2023
Schedule of Stockholders' Equity [Line Items]
Number of common stock repurchased in open market										2,159,985
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 355,400								$ 355,400
Stock Repurchase Program, Authorized Amount													$ 600,000
Aggregate Cost of Repurchased Common Shares Under Repurchase Program										$ 244,600
Subsequent Event [Member]
Schedule of Stockholders' Equity [Line Items]
Cash dividends (per share)	$ 0.07
Dividends Payable, Date Declared	Jan. 25, 2024