Statement of Shareholders' Equity (Statement) - Parenthetical - $ / shares	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	11,519	(1,917)	1,497,072	36,588
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	99,381	62,114	291,095	412,211
Cash dividends declared per share	$ 0.10	$ 0.10	$ 0.30	$ 0.30
Stock Issued During Period, Shares, Treasury Stock Reissued	1,462	1,831	4,230	5,831
Treasury Stock, Shares, Acquired	0	(4,250,070)	(877,624)	(10,730,962)
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	(3,056)	(3,440)	(93,225)	(361,899)