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Lease Accounting - Schedule of Aggregate Lease Costs by Lease Classification (Parenthetical) (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Lease Cost [Line Items]
Lease payments				$ 135.4	$ 136.1
Equipment | Utilities and Other
Lease Cost [Line Items]
Short term lease payments		$ 1.1	$ 0.7	1.9	1.4
Real Estate | Facility Lease Expense
Lease Cost [Line Items]
Variable lease payments	[1]	16.8	16.5	29.5	28.7
Lease payments		$ 0.3	$ 0.3	$ 0.7	$ 0.6
[1] Represents lease payments that are based on a change in index, such as CPI or inflation, variable payments based on revenue or attendance and variable common area maintenance costs.

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- Definition

Lease cost.

+ References

No definition available.

+ Details

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- Definition

Amount cash outflow for variable lease payments, net of lease credits and abatements, excluded from lease liability.

+ References

No definition available.

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X

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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- Definition

Amount of cash outflow for short-term lease payment excluded from lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

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