Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Parent	Common Stock	Treasury Stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Non-Controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock at cost (in shares)				33,300,000
Beginning Balance at Dec. 31, 2022			$ 42.4	$ (1,424.9)	$ 792.2	$ 2,831.5	$ (211.6)	$ 0.0
Beginning balance (in shares) at Dec. 31, 2022			68,600,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, Shares			200,000
Issuance of common stock			$ 0.1
Share-based compensation effects					23.9
Net Income	$ 259.2					259.2
Dividends declared (per share: $2.44 in 2025, $2.32 in 2024 and $2.20 in 2023)						81.2
Other comprehensive income (loss)	44.0						44.0
Stock Repurchased During Period, Value				2.6
Less: Comprehensive Loss Attributable to Non-Controlling Interest	0.0
Ending Balance at Dec. 31, 2023	2,273.0	$ 2,273.0	$ 42.5	$ (1,427.5)	816.1	3,009.5	(167.6)	0.0
Ending balance (in shares) at Dec. 31, 2023			68,800,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock repurchases	(2.6)
GABX equity contribution from non-controlling interest	0.0
Treasury stock at cost (in shares)				33,300,000
Issuance of common stock, Shares			300,000
Issuance of common stock			$ 0.2
Stock repurchases (in shares)				200,000
Share-based compensation effects					31.0
Net Income	284.2					284.2
Dividends declared (per share: $2.44 in 2025, $2.32 in 2024 and $2.20 in 2023)						85.6
Other comprehensive income (loss)	$ (42.0)						(42.0)
Balance at end of period, Common Stock, Shares at Dec. 31, 2024	69,075,329
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Value				$ 21.9
Less: Comprehensive Loss Attributable to Non-Controlling Interest	$ 0.0
Ending Balance at Dec. 31, 2024	$ 2,438.9	2,438.9	$ 42.7	$ (1,449.4)	847.1	3,208.1	(209.6)	0.0
Ending balance (in shares) at Dec. 31, 2024	35,575,691		69,100,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock repurchases	$ (21.9)
GABX equity contribution from non-controlling interest	$ 0.0
Treasury stock at cost (in shares)	33,499,638			33,500,000
Issuance of common stock, Shares			200,000
Issuance of common stock			$ 0.2
Stock repurchases (in shares)				400,000
Share-based compensation effects					28.3
Net Income	$ 333.3					333.3
Dividends declared (per share: $2.44 in 2025, $2.32 in 2024 and $2.20 in 2023)						90.2
Other comprehensive income (loss)	$ 90.6						105.0
Balance at end of period, Common Stock, Shares at Dec. 31, 2025	69,316,358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Less: Comprehensive Loss Attributable to Non-Controlling Interest	$ (14.4)						14.4	(14.4)
Ending Balance at Dec. 31, 2025	$ 3,635.1	$ 2,750.5	$ 42.9	$ (1,514.4)	$ 875.4	$ 3,451.2	$ (104.6)	$ 884.6
Ending balance (in shares) at Dec. 31, 2025	35,400,021		69,300,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock repurchases	$ (65.0)
GABX equity contribution from non-controlling interest	$ 899.0
Treasury stock at cost (in shares)	33,916,337			33,900,000