Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 03, 2022	Jan. 02, 2022	Oct. 03, 2021	Jul. 04, 2021	Apr. 04, 2021	Oct. 04, 2020	Jul. 05, 2020	Apr. 05, 2020	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019	Jul. 31, 2020
Schedule of Stockholders' Equity [Line Items]
Repurchased Common Shares For Activity Pursuant to Equity Incentive Plans									71,248	72,251	68,536
Aggregate Cost of Repurchased Common Shares for Activity Pursuant to Equity Incentive Plans									$ 10,500	$ 6,900	$ 6,300
Cash dividends (per share)		$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07
Cost of Repurchased Common Shares, Repurchase Plan and Amount for Statutory Tax Withholding Obligations									73,072	6,944	6,313
Dividends accrued		$ 8,800							8,800
Unrecognized prior service (cost) credit, net of tax									(95)	(1,799)	807
Unrecognized prior service credit (cost), net of tax1									$ (100)	$ (1,800)	$ 800
Repurchase Program, 07/31/2020 [Member]
Schedule of Stockholders' Equity [Line Items]
Number of common stock repurchased in open market									433,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 187,400							$ 187,400
Stock Repurchase Program, Authorized Amount												$ 250,000
Aggregate Cost of Repurchased Common Shares Under Repurchase Program									$ 62,600
Subsequent Event [Member]
Schedule of Stockholders' Equity [Line Items]
Cash dividends (per share)	$ 0.07
Dividends Payable, Date Declared	Jan. 27, 2022