Incentive Plan - Schedule of Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Long-term incentive units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	$ 6.4	$ 2.8	$ 11.6	$ 6.0
Deferred compensation, capitalized	0.0		0.1	0.1
Unearned Compensation	33.9		$ 33.9		$ 19.8
Expected period to recognize unearned compensation (in years)			2 years 3 months 18 days
Market-based performance awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	5.6	6.4	$ 10.6	14.9
Deferred compensation, capitalized	0.1	0.1	0.3	0.5
Unearned Compensation	46.9		$ 46.9		39.2
Expected period to recognize unearned compensation (in years)			2 years 3 months 18 days
Service Based Restricted Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed			$ 12.1	9.2
Deferred compensation, capitalized			2.4	1.6
Interxion awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	1.1	4.1	2.0	$ 14.6
Unearned Compensation	4.6		$ 4.6		8.5
Expected period to recognize unearned compensation (in years)			1 year 1 month 6 days
Restricted Stock Units
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Deferred compensation, expensed	6.8	5.3
Deferred compensation, capitalized	1.4	$ 0.9
Unearned Compensation	$ 68.8		$ 68.8		$ 44.5
Expected period to recognize unearned compensation (in years)			2 years 9 months 18 days