Investment in Other Affiliates	9 Months Ended
Sep. 30, 2017
Equity Method Investments and Joint Ventures [Abstract]
Investment in Other Affiliates	Investment in Other Affiliates The Company has certain investments in nonmarketable securities of strategic companies. As of September 30, 2017 and December 31, 2016, the Company’s investment in Eicher-Polaris Private Limited (EPPL) represents the majority of these investments and is recorded as a component of other long-term assets in the accompanying consolidated balance sheets. EPPL is a joint venture established in 2012 with Eicher Motors Limited (“Eicher”). Polaris and Eicher each control 50 percent of the joint venture, which is intended to design, develop and manufacture a full range of new vehicles for India and other emerging markets. The investment in EPPL is accounted for under the equity method, with Polaris’ proportionate share of income or loss recorded within the consolidated financial statements on a one month lag due to financial information not being available timely. As of September 30, 2017 and December 31, 2016, the carrying value of the Company’s investment in EPPL was $20,225,000 and $20,182,000, respectively. Through September 30, 2017, Polaris has invested $46,810,000 in the joint venture. Polaris’ share of EPPL loss for the three and nine months ended September 30, 2017 was $1,603,000 and $4,839,000, respectively, compared to $1,798,000 and $5,439,000 for the same respective periods in 2016. The loss is included in equity in loss of other affiliates on the consolidated statements of income. Polaris will impair or write off an investment and recognize a loss if and when events or circumstances indicate there is impairment in the investment that is other-than-temporary. When necessary, Polaris evaluates investments in nonmarketable securities for impairment, utilizing Level 3 fair value inputs. As a result of the Victory^® Motorcycles wind down, the Company recorded an impairment of a cost-method investment in Brammo, Inc. during the first quarter of 2017. See Note 12 for additional discussion related to charges incurred related to the Victory Motorcycles wind down. In October 2017, an agreement was signed to sell the assets of Brammo, Inc. to a third party. The sale is expected to be completed in the fourth quarter of 2017.

Investment in Other Affiliates

The Company has certain investments in nonmarketable securities of strategic companies. As of September 30, 2017 and December 31, 2016, the Company’s investment in Eicher-Polaris Private Limited (EPPL) represents the majority of these investments and is recorded as a component of other long-term assets in the accompanying consolidated balance sheets.

EPPL is a joint venture established in 2012 with Eicher Motors Limited (“Eicher”). Polaris and Eicher each control 50 percent of the joint venture, which is intended to design, develop and manufacture a full range of new vehicles for India and other emerging markets. The investment in EPPL is accounted for under the equity method, with Polaris’ proportionate share of income or loss recorded within the consolidated financial statements on a one month lag due to financial information not being available timely. As of September 30, 2017 and December 31, 2016, the carrying value of the Company’s investment in EPPL was $20,225,000 and $20,182,000, respectively. Through September 30, 2017, Polaris has invested $46,810,000 in the joint venture. Polaris’ share of EPPL loss for the three and nine months ended September 30, 2017 was $1,603,000 and $4,839,000, respectively, compared to $1,798,000 and $5,439,000 for the same respective periods in 2016. The loss is included in equity in loss of other affiliates on the consolidated statements of income.

Polaris will impair or write off an investment and recognize a loss if and when events or circumstances indicate there is impairment in the investment that is other-than-temporary. When necessary, Polaris evaluates investments in nonmarketable securities for impairment, utilizing Level 3 fair value inputs. As a result of the Victory^® Motorcycles wind down, the Company recorded an impairment of a cost-method investment in Brammo, Inc. during the first quarter of 2017. See Note 12 for additional discussion related to charges incurred related to the Victory Motorcycles wind down. In October 2017, an agreement was signed to sell the assets of Brammo, Inc. to a third party. The sale is expected to be completed in the fourth quarter of 2017.