Incentive Plans - Schedule of Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Long-term incentive units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	$ 5.1	$ 2.8	$ 16.7	$ 8.7
Deferred compensation, capitalized	0.0		0.1	0.2
Unearned Compensation	28.9		$ 28.9		$ 19.8
Expected period to recognize unearned compensation (in years)			2 years 2 months 12 days
Market-based performance awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	5.5	6.4	$ 16.1	21.3
Deferred compensation, capitalized	0.1	0.2	0.4	0.6
Unearned Compensation	41.3		$ 41.3		39.2
Expected period to recognize unearned compensation (in years)			2 years 1 month 6 days
Service Based Restricted Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	6.7	4.6	$ 18.9	13.7
Deferred compensation, capitalized	1.4	0.9	3.7	2.3
Unearned Compensation	61.2		$ 61.2		44.5
Expected period to recognize unearned compensation (in years)			2 years 7 months 6 days
Interxion awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	1.6	$ 3.1	$ 3.7	$ 17.7
Unearned Compensation	$ 3.0		$ 3.0		$ 8.5
Expected period to recognize unearned compensation (in years)			10 months 24 days