Shareholders' Equity (Common Stock) (Details) - USD ($)					3 Months Ended		12 Months Ended			29 Months Ended
	Dec. 24, 2020	Sep. 25, 2020	Jun. 26, 2020	Aug. 14, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021
Class of Stock [Line Items]
Issuance of common stock (in shares)					8,900,000	9,200,000
Issuance of shares, price per share (in dollars per share)					$ 44.24	$ 36.25
Dividends, Common Stock, Cash	$ 27,600,000	$ 26,200,000	$ 25,800,000				$ 2.90
Dividends, Common Stock, Stock	$ 110,300,000	$ 104,500,000	$ 103,200,000
Dividends (in shares)	2,543,675	2,767,704	2,697,946
Share Price	$ 43.3758	$ 37.7635	$ 38.2643
Dividends, share-based compensation							$ 700,000	$ 800,000	$ 900,000
Company Employee
Class of Stock [Line Items]
Dividends, Common Stock, Cash	$ 34,000	$ 32,000	$ 33,000
Dividends, Common Stock, Stock	$ 118,000	$ 217,000	$ 153,000
Dividends (in shares)	2,722	5,746	4,006
At The Market Program
Class of Stock [Line Items]
Aggregate dollar value of common stock share the Company may sell (up to)				$ 600,000,000
Percentage of commission to be paid on gross sales price of commons stock shares sold (up to)								2.00%
Percentage of commission to be paid on sales price of borrowed shares of common stock (up to)								2.00%
Issuance of common stock (in shares)							5,539,709			5,549,180
Weighted-average price of shares issued (in dollars per share)							$ 49.07			$ 49.06
Proceeds from issuance of common stock							$ 270,700,000			$ 270,600,000
Dollar value of common stock shares remaining for issuance					$ 327,700,000		$ 327,700,000			$ 327,700,000