Nature of Operations	12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	1. Nature of Operations Oshkosh Corporation and its subsidiaries (the “Company”) is an industrial technology company specializing in the design, development and manufacture of purpose-built vehicles and equipment for the access, defense, delivery vehicle, fire, refuse collection, airport ground support and concrete placement markets. “Oshkosh” refers to Oshkosh Corporation, not including its subsidiaries. The Company is organized into three operating segments — Access, Defense, and Vocational. The Company’s Access segment is conducted through its wholly-owned subsidiary, JLG Industries, Inc. and its wholly-owned subsidiaries (JLG), Hinowa S.p.A. (Hinowa) and JerrDan LLC (JerrDan). The Company’s Defense segment is conducted through its wholly-owned subsidiaries, Oshkosh Defense, LLC (Oshkosh Defense) and Pratt & Miller Engineering & Fabrication, LLC (Pratt Miller). The Company’s Vocational segment is principally conducted through its wholly-owned subsidiaries Pierce Manufacturing Inc. (Pierce), JBT AeroTech (AeroTech), Kewaunee Fabrications, LLC (Kewaunee), Maxi-Metal Inc. (Maxi-Metal), McNeilus Companies, Inc. (McNeilus), Iowa Mold Tooling Co., Inc. (IMT) and Oshkosh Commercial Products, LLC (Oshkosh Commercial). In October 2021, the Company changed its fiscal year from a year beginning on October 1 and ending on September 30 to a year beginning on January 1 and ending on December 31. Accordingly, the Company reported a transition quarter that ran from October 1, 2021 through December 31, 2021. Effective January 31, 2023, the Company formed the Vocational segment by combining the historical Fire & Emergency segment and Commercial segment businesses. All information has been recast to conform to the new reporting segments.

Nature of Operations

12 Months Ended

Dec. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. Nature of Operations

Oshkosh Corporation and its subsidiaries (the “Company”) is an industrial technology company specializing in the design, development and manufacture of purpose-built vehicles and equipment for the access, defense, delivery vehicle, fire, refuse collection, airport ground support and concrete placement markets. “Oshkosh” refers to Oshkosh Corporation, not including its subsidiaries. The Company is organized into three operating segments — Access, Defense, and Vocational. The Company’s Access segment is conducted through its wholly-owned subsidiary, JLG Industries, Inc. and its wholly-owned subsidiaries (JLG), Hinowa S.p.A. (Hinowa) and JerrDan LLC (JerrDan). The Company’s Defense segment is conducted through its wholly-owned subsidiaries, Oshkosh Defense, LLC (Oshkosh Defense) and Pratt & Miller Engineering & Fabrication, LLC (Pratt Miller). The Company’s Vocational segment is principally conducted through its wholly-owned subsidiaries Pierce Manufacturing Inc. (Pierce), JBT AeroTech (AeroTech), Kewaunee Fabrications, LLC (Kewaunee), Maxi-Metal Inc. (Maxi-Metal), McNeilus Companies, Inc. (McNeilus), Iowa Mold Tooling Co., Inc. (IMT) and Oshkosh Commercial Products, LLC (Oshkosh Commercial).

In October 2021, the Company changed its fiscal year from a year beginning on October 1 and ending on September 30 to a year beginning on January 1 and ending on December 31. Accordingly, the Company reported a transition quarter that ran from October 1, 2021 through December 31, 2021.

Effective January 31, 2023, the Company formed the Vocational segment by combining the historical Fire & Emergency segment and Commercial segment businesses. All information has been recast to conform to the new reporting segments.