Revenue Recognition - Contract Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Disaggregation of Revenue [Line Items]
Reportable segment sales	$ 2,042.6	$ 1,841.6	$ 5,724.1	$ 5,230.1
Wholegoods
Disaggregation of Revenue [Line Items]
Reportable segment sales	1,475.1	1,335.6	4,209.4	3,866.4
PG&A
Disaggregation of Revenue [Line Items]
Reportable segment sales	567.5	506.0	1,514.7	1,363.7
United States
Disaggregation of Revenue [Line Items]
Reportable segment sales	1,677.1	1,503.6	4,665.2	4,174.2
Canada
Disaggregation of Revenue [Line Items]
Reportable segment sales	137.4	82.1	330.3	285.4
EMEA
Disaggregation of Revenue [Line Items]
Reportable segment sales	166.5	188.8	513.1	567.4
APLA
Disaggregation of Revenue [Line Items]
Reportable segment sales	61.6	67.1	215.5	203.1
Operating segments
Disaggregation of Revenue [Line Items]
Reportable segment sales	2,042.6	1,841.6	5,724.1	5,230.1
Operating segments \| Polaris Powersports
Disaggregation of Revenue [Line Items]
Reportable segment sales	1,822.1	1,543.2	4,956.5	4,243.1
Operating segments \| Polaris Powersports \| Wholegoods
Disaggregation of Revenue [Line Items]
Reportable segment sales	1,264.3	1,072.9	3,478.2	2,989.3
Operating segments \| Polaris Powersports \| PG&A
Disaggregation of Revenue [Line Items]
Reportable segment sales	557.8	470.3	1,478.3	1,253.8
Operating segments \| Polaris Powersports \| United States
Disaggregation of Revenue [Line Items]
Reportable segment sales	1,530.6	1,327.0	4,141.0	3,550.1
Operating segments \| Polaris Powersports \| Canada
Disaggregation of Revenue [Line Items]
Reportable segment sales	134.8	73.2	320.0	261.5
Operating segments \| Polaris Powersports \| EMEA
Disaggregation of Revenue [Line Items]
Reportable segment sales	98.1	87.6	287.1	264.8
Operating segments \| Polaris Powersports \| APLA
Disaggregation of Revenue [Line Items]
Reportable segment sales	58.6	55.4	208.4	166.7
Operating segments \| Marine
Disaggregation of Revenue [Line Items]
Reportable segment sales	133.4	103.4	438.2	374.1
Operating segments \| Marine \| Wholegoods
Disaggregation of Revenue [Line Items]
Reportable segment sales	133.3	103.3	437.8	373.7
Operating segments \| Marine \| PG&A
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.1	0.1	0.4	0.4
Operating segments \| Marine \| United States
Disaggregation of Revenue [Line Items]
Reportable segment sales	130.4	99.6	428.1	365.8
Operating segments \| Marine \| Canada
Disaggregation of Revenue [Line Items]
Reportable segment sales	2.5	3.5	8.9	6.8
Operating segments \| Marine \| EMEA
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.3	0.1	0.4	0.1
Operating segments \| Marine \| APLA
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.2	0.2	0.8	1.4
Operating segments \| Aixam & Goupil
Disaggregation of Revenue [Line Items]
Reportable segment sales	68.0	77.3	220.5	219.6
Operating segments \| Aixam & Goupil \| Wholegoods
Disaggregation of Revenue [Line Items]
Reportable segment sales	59.1	68.7	189.6	190.9
Operating segments \| Aixam & Goupil \| PG&A
Disaggregation of Revenue [Line Items]
Reportable segment sales	8.9	8.6	30.9	28.7
Operating segments \| Aixam & Goupil \| United States
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.0	0.0	0.0	0.0
Operating segments \| Aixam & Goupil \| Canada
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.0	0.0	0.0	0.0
Operating segments \| Aixam & Goupil \| EMEA
Disaggregation of Revenue [Line Items]
Reportable segment sales	68.0	77.2	220.5	219.5
Operating segments \| Aixam & Goupil \| APLA
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.0	0.1	0.0	0.1
Corporate
Disaggregation of Revenue [Line Items]
Reportable segment sales	19.1	117.7	108.9	393.3
Corporate \| Wholegoods
Disaggregation of Revenue [Line Items]
Reportable segment sales	18.4	90.7	103.8	312.5
Corporate \| PG&A
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.7	27.0	5.1	80.8
Corporate \| United States
Disaggregation of Revenue [Line Items]
Reportable segment sales	16.1	77.0	96.1	258.3
Corporate \| Canada
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.1	5.4	1.4	17.1
Corporate \| EMEA
Disaggregation of Revenue [Line Items]
Reportable segment sales	0.1	23.9	5.1	83.0
Corporate \| APLA
Disaggregation of Revenue [Line Items]
Reportable segment sales	$ 2.8	$ 11.4	$ 6.3	$ 34.9