Incentive Plans - Schedule of Compensation Expense (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Long-term incentive units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	$ 15.5	$ 14.5	$ 21.7
Deferred compensation, capitalized	0.1	0.2	$ 0.2
Unearned Compensation	$ 22.1	$ 16.6
Expected period to recognize unearned compensation (in years)	2 years 2 months 12 days	2 years 2 months 12 days
Weighted Average Fair Value at Date of Grant	$ 129.93	$ 121.99	$ 146.37
Performance-based awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	$ 12.8	$ 12.9	$ 21.4
Deferred compensation, capitalized	0.2	0.2	$ 0.5
Unearned Compensation	$ 24.1	$ 19.9
Expected period to recognize unearned compensation (in years)	2 years 1 month 6 days	2 years 1 month 6 days
Weighted Average Fair Value at Date of Grant	$ 134.58	$ 97.06	$ 154.26
Service Based Restricted Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	$ 33.5	$ 21.1	$ 25.9
Deferred compensation, capitalized	5.9	7.5	5.4
Unearned Compensation	$ 70.3	$ 66.4
Expected period to recognize unearned compensation (in years)	2 years 4 months 24 days	2 years 4 months 24 days
Interxion awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed		$ 6.0	$ 4.7
Deferred compensation, capitalized		$ 0.1
Expected period to recognize unearned compensation (in years)	0 years	0 years
Restricted stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Weighted Average Fair Value at Date of Grant	$ 145.15	$ 132.07	$ 131.57