Financial Services Arrangements - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Investments in and Advances to Affiliates [Line Items]
Investment in affiliates	$ 46.8	$ 59.4
Trade receivables, net	237.2	$ 257.2
TCF
Investments in and Advances to Affiliates [Line Items]
Aggregate repurchase obligation, amount	$ 156.0
Polaris Acceptance
Investments in and Advances to Affiliates [Line Items]
Equity method investment ownership percentage	50.00%
Net amount financed for dealers	$ 518.7
Trade receivables, net	269.7
Aggregate repurchase obligation, amount	138.7
Securitization Facility
Investments in and Advances to Affiliates [Line Items]
Outstanding balance of receivables	$ 249.0
TCF \| Maximum
Investments in and Advances to Affiliates [Line Items]
Aggregate repurchase obligation, percentage	100.00%
Polaris Acceptance \| Maximum
Investments in and Advances to Affiliates [Line Items]
Aggregate repurchase obligation, percentage	15.00%

Financial assets accounted for as sale, repurchase commitment percent of outstanding month end balances.

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- Definition

The amount owed to the reporting entity by counterparties in securitized loan transactions.

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized.

+ References

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- Definition

Represents the initial fair value recorded for liabilities incurred on transfer of financial assets in a securitization, asset-backed financing arrangement, or a similar transfer which transaction is recognized as a sale of the transferred financial assets.

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