Consolidated Statements Of Shareholders' Equity - USD ($) shares in Millions, $ in Millions		Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated other Comprehensive Income (Loss)	Non Controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 1,226.3	$ 0.6	$ 1,143.8	$ 157.3	$ (77.4)	$ 2.0
Beginning Balance (in shares) at Dec. 31, 2021			60.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock compensation		60.0		60.0
Deferred compensation		(1.4)		(2.5)	1.1
Employee stock compensation (in shares)			0.6
Proceeds from stock issuances under employee plans		34.1		34.1
Proceeds from stock issuances under employee plans (in shares)			0.4
Cash dividends declared ($2.32 per share, $2.20 per share and $2.12 per share in 2017, 2016, and 2015 respectively)	[1]	(150.0)			(150.0)
Repurchase and retirement of common shares		$ (505.0)		(83.3)	(421.7)
Repurchase and retirement of common shares (in shares)		(4.4)	(4.4)
Net income from continuing operations		$ 447.6			447.1		0.5
Other comprehensive income		(10.1)				(10.1)
Ending Balance (in shares) at Dec. 31, 2022			57.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		1,101.5	$ 0.6	1,152.1	33.8	(87.5)	2.5
Employee stock compensation		57.4		57.4
Deferred compensation		2.3		1.6	0.7
Employee stock compensation (in shares)			0.6
Proceeds from stock issuances under employee plans		52.8		52.8
Proceeds from stock issuances under employee plans (in shares)			0.5
Cash dividends declared ($2.32 per share, $2.20 per share and $2.12 per share in 2017, 2016, and 2015 respectively)	[1]	(147.3)			(147.3)
Repurchase and retirement of common shares		$ (178.6)		(32.1)	(146.5)
Repurchase and retirement of common shares (in shares)		(1.6)	1.6
Net income from continuing operations		$ 502.7			502.8		(0.1)
Other comprehensive income		30.0				30.0
Ending Balance at Dec. 31, 2023		1,418.4
Ending Balance (in shares) at Dec. 31, 2023			56.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		1,420.8	$ 0.6	1,231.8	243.5	(57.5)	2.4
Employee stock compensation		49.2		49.2
Deferred compensation		3.9		(0.1)	4.0
Employee stock compensation (in shares)			0.5
Proceeds from stock issuances under employee plans		6.0		6.0
Proceeds from stock issuances under employee plans (in shares)			0.1
Cash dividends declared ($2.32 per share, $2.20 per share and $2.12 per share in 2017, 2016, and 2015 respectively)	[1]	(147.7)			(147.7)
Repurchase and retirement of common shares		$ (82.7)		(21.0)	(61.7)
Repurchase and retirement of common shares (in shares)		(1.0)	(1.0)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		$ 2.0					2.0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders		(0.6)					(0.6)
Net income from continuing operations		111.2			110.8		0.4
Other comprehensive income		(68.0)				(68.0)
Ending Balance at Dec. 31, 2024		1,289.9
Ending Balance (in shares) at Dec. 31, 2024			56.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 1,294.1	$ 0.6	$ 1,265.9	$ 148.9	$ (125.5)	$ 4.2

[1] Polaris Inc. declared and paid cash dividends of $2.64, $2.60, and $2.56 per share for the years ended December 31, 2024, 2023, and 2022, respectively.