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Schedule of Aggregate Lease Costs by Lease Classification (Parenthetical) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Lease Cost [Line Items] |  |  |  |
Lease payments |  |  | $ 209.3 | $ 201.4
Equipment | Utilities and Other |  |  |  |
Lease Cost [Line Items] |  |  |  |
Short term lease payments | $ 0.8 | $ 0.6 | 2.2 | 1.2
Real Estate | Facility Lease Expense |  |  |  |
Lease Cost [Line Items] |  |  |  |
Variable lease payments | 9.4 | 1.9 | 27.5 | (0.1)
Lease payments | $ 0.3 | $ 0.3 | $ 1.0 | $ 1.0

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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 + Details
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