Summary of Significant Accounting Policies - Summary of Cumulative Effects of Changes to Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets	$ 24.4		$ 13.6
OPERATING LEASE RIGHT-OF-USE ASSETS, NET	102.6
PROPERTY AND EQUIPMENT, NET	344.5		311.9
Intangible assets, net	43.4		26.3
Other current liabilities	(19.1)		(12.2)
Current operating lease liabilities	(16.2)
Long-term operating lease liabilities	$ (88.4)
Previously Reported
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets			13.6
PROPERTY AND EQUIPMENT, NET			311.9
Intangible assets, net			26.3
Other current liabilities			(13.1)
Other liabilities			(9.3)
ASC 842 | Adjustments Due to Adoption of ASC 842
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets			(0.5)
OPERATING LEASE RIGHT-OF-USE ASSETS, NET			103.4
PROPERTY AND EQUIPMENT, NET			(0.2)
Intangible assets, net			(1.6)
Other current liabilities			0.2
Current operating lease liabilities			(15.2)
Other liabilities			3.3
Long-term operating lease liabilities			$ (89.4)
ASC 842 | Adjusted Balance
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets		$ 13.1
OPERATING LEASE RIGHT-OF-USE ASSETS, NET		103.4
PROPERTY AND EQUIPMENT, NET		311.7
Intangible assets, net		24.7
Other current liabilities		(12.9)
Current operating lease liabilities		(15.2)
Other liabilities		(6.0)
Long-term operating lease liabilities		$ (89.4)