Industry Segments and Geographic Area Information - Schedule of Geographic Area Data (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net Sales:
Net sales	$ 1,492.7	$ 1,502.4	$ 1,484.3	$ 1,365.2	$ 1,334.3	$ 1,442.6	$ 1,452.5	$ 1,399.1	$ 5,844.6	$ 5,628.5	$ 5,372.9
Operating Income:
Total Operating Income									1,208.8	1,093.1	1,027.4
Long-lived Assets:
TOTAL LONG-LIVED ASSETS	5,609.0				4,586.2				5,609.0	4,586.2	4,739.5
United States
Net Sales:
Net sales									5,411.3	5,159.3	4,922.4
Operating Income:
Total Operating Income									1,123.6	1,008.6	925.9
Long-lived Assets:
TOTAL LONG-LIVED ASSETS	5,122.9				4,128.9				5,122.9	4,128.9	4,250.7
International
Net Sales:
Net sales									433.3	469.2	450.5
Operating Income:
Total Operating Income									85.2	84.5	101.5
Long-lived Assets:
TOTAL LONG-LIVED ASSETS	$ 486.1				$ 457.3				$ 486.1	$ 457.3	$ 488.8