Cover - shares	3 Months Ended
	Mar. 31, 2021	Apr. 20, 2021
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	1-11411
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-1790959
Entity Address, Address Line One	2100 Highway 55,
Entity Address, City or Town	Medina
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55340
City Area Code	763
Local Phone Number	542-0500
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		61,242,076
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000931015
Current Fiscal Year End Date	--12-31
Entity Registrant Name	POLARIS INC.
NEW YORK STOCK EXCHANGE, INC. [Member]
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $.01 par value
Trading Symbol	PII
Security Exchange Name	NYSE