Condensed Consolidated Statements of Shareholders' Equity Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock, Common
Balance, at Beginning of the Period at Dec. 31, 2022	$ 2,042.3	$ 76.9	$ 391.3	$ 3,288.5	$ (29.5)	$ (1,684.9)
Net Earnings (Loss)	112.3	0.0	0.0	112.3	0.0	0.0
Other Comprehensive Income	3.6	0.0	0.0	0.0	3.6	0.0
Dividends	28.5	0.0	0.0	28.5	0.0	0.0
Compensation Plans and Other	(6.8)	0.0	(15.3)	0.0	0.0	(8.5)
Common Stock Repurchases	(60.4)	0.0	0.0	0.0	0.0	(60.4)
Balance, at End of Period at Apr. 01, 2023	2,062.5	76.9	376.0	3,372.3	(25.9)	(1,736.8)
Balance, at Beginning of the Period at Dec. 31, 2022	2,042.3	76.9	391.3	3,288.5	(29.5)	(1,684.9)
Net Earnings (Loss)	359.5
Other Comprehensive Income	(12.6)
Balance, at End of Period at Sep. 30, 2023	2,085.8	76.9	385.2	3,563.4	(42.1)	(1,897.6)
Balance, at Beginning of the Period at Apr. 01, 2023	2,062.5	76.9	376.0	3,372.3	(25.9)	(1,736.8)
Net Earnings (Loss)	134.7	0.0	0.0	134.7	0.0	0.0
Other Comprehensive Income	(2.9)	0.0	0.0	0.0	(2.9)	0.0
Dividends	28.3	0.0	0.0	28.3	0.0	0.0
Compensation Plans and Other	8.3	0.0	7.8	0.0	0.0	(0.5)
Common Stock Repurchases	(72.9)	0.0	0.0	0.0	0.0	(72.9)
Balance, at End of Period at Jul. 01, 2023	2,101.4	76.9	383.8	3,478.7	(28.8)	(1,809.2)
Net Earnings (Loss)	112.5	0.0	0.0	112.5	0.0	0.0
Other Comprehensive Income	(13.3)	0.0	0.0	0.0	(13.3)	0.0
Dividends	27.8	0.0	0.0	27.8	0.0	0.0
Compensation Plans and Other	1.7	0.0	1.4	0.0	0.0	(0.3)
Common Stock Repurchases	(88.7)	0.0	0.0	0.0	0.0	(88.7)
Balance, at End of Period at Sep. 30, 2023	$ 2,085.8	76.9	385.2	3,563.4	(42.1)	(1,897.6)
Cash Dividends Declared Per Common Share (in Dollars per Share)	$ 0.40
Balance, at Beginning of the Period at Dec. 31, 2023	$ 2,087.4	76.9	392.0	3,596.9	(25.7)	(1,952.7)
Net Earnings (Loss)	68.0	0.0	0.0	68.0	0.0	0.0
Other Comprehensive Income	(10.5)	0.0	0.0	0.0	(10.5)	0.0
Dividends	28.6	0.0	0.0	28.6	0.0	0.0
Compensation Plans and Other	(2.6)	0.0	(8.6)	0.0	0.0	(6.0)
Common Stock Repurchases	(64.1)	0.0	0.0	0.0	0.0	(64.1)
Balance, at End of Period at Mar. 30, 2024	$ 2,049.6	76.9	383.4	3,636.3	(36.2)	(2,010.8)
Cash Dividends Declared Per Common Share (in Dollars per Share)	$ 0.42
Balance, at Beginning of the Period at Dec. 31, 2023	$ 2,087.4	76.9	392.0	3,596.9	(25.7)	(1,952.7)
Net Earnings (Loss)	212.6
Other Comprehensive Income	(2.0)
Balance, at End of Period at Sep. 28, 2024	2,034.3	76.9	398.0	3,724.9	(27.7)	(2,137.8)
Balance, at Beginning of the Period at Mar. 30, 2024	2,049.6	76.9	383.4	3,636.3	(36.2)	(2,010.8)
Net Earnings (Loss)	100.0	0.0	0.0	100.0	0.0	0.0
Other Comprehensive Income	(6.4)	0.0	0.0	0.0	(6.4)	0.0
Dividends	28.2	0.0	0.0	28.2	0.0	0.0
Compensation Plans and Other	6.0	0.0	5.8	0.0	0.0	(0.2)
Common Stock Repurchases	(107.4)	0.0	0.0	0.0	0.0	(107.4)
Balance, at End of Period at Jun. 29, 2024	2,013.6	76.9	389.2	3,708.1	(42.6)	(2,118.0)
Net Earnings (Loss)	44.6	0.0	0.0	44.6	0.0	0.0
Other Comprehensive Income	14.9	0.0	0.0	0.0	14.9	0.0
Dividends	27.8	0.0	0.0	27.8	0.0	0.0
Compensation Plans and Other	9.2	0.0	8.8	0.0	0.0	(0.4)
Common Stock Repurchases	(20.2)	0.0	0.0	0.0	0.0	(20.2)
Balance, at End of Period at Sep. 28, 2024	$ 2,034.3	$ 76.9	$ 398.0	$ 3,724.9	$ (27.7)	$ (2,137.8)