Commitments, Contingencies and Guarantees (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2021	Dec. 31, 2020	Oct. 01, 2020	Dec. 31, 2019
Commitments Contingencies And Guarantees [Abstract]
Restricted Cash, Noncurrent	$ 19.5	$ 19.5	$ 19.5	$ 16.4
Service warranty roll forward
Product Warranty And Extraordinary Rework	76.9
Charges to costs and expenses	(10.1)
Product Warranty Accrual, Payments	(13.1)
Product Warranty And Extraordinary Rework	73.7	76.9
Product Warranty Extraordinary Rework Accrual Currency Translation Increase Decrease	(0.2)
Commitments Contingencies And Guarantees Textuals [Abstract]
Outstanding amount of guarantees	16.4	19.6
Product Liability Accrual, Component Amount	2.3	8.1
Product Liability Contingency, Loss Exposure in Excess of Accrual, Best Estimate	$ 3.4	$ 12.1

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework.

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No definition available.

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- Definition

Represents the aggregate increase in the liability for accruals related to standard and extended product warranties and extraordinary rework issued during the reporting period.

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No definition available.

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Total increase (decrease) in the standard and extended product warranty and extraordinary rework liability due to currency translation.

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No definition available.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Recorded amount of the accrual for a material component of a product liability contingency.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Best estimate of the reasonably possible loss exposure in excess of the amount accrued for damages pertaining to a specified product.

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Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

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Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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