Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 25, 2021	Jun. 26, 2021	Mar. 27, 2021	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Sep. 25, 2021	Sep. 26, 2020
Dividends per common share	$ 0.25	$ 0.21	$ 0.21	$ 0.21	$ 0.185	$ 0.185	$ 0.67	$ 0.58