Basis of Presentation and Significant Accounting Policies	6 Months Ended
Jun. 30, 2026
Accounting Policies [Abstract]
Basis of Presentation and Significant Accounting Policies	Basis of Presentation and Significant Accounting Policies The unaudited condensed consolidated financial statements included herein have been prepared by Zurn Elkay Water Solutions Corporation (“Zurn Elkay” or the “Company”) in accordance with accounting principles generally accepted in the United States ("GAAP") pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures are adequate to make the information presented not misleading. In the opinion of management, the condensed consolidated financial statements include all adjustments necessary for a fair presentation of the results of operations for the interim periods. Results for the interim periods are not necessarily indicative of results that may be expected for the year ending December 31, 2026. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2025. The Company Zurn Elkay is a growth-oriented, pure-play water management business that designs, procures, manufactures, and markets what the Company believes to be the broadest sustainable product portfolio of specification-driven water management solutions to improve health, hydration, human safety and the environment. The Company's product portfolio includes professional grade water safety and control products, flow systems products, hygienic and environmental products, and filtered drinking water products for public and private spaces that deliver superior value to building owners, positively impact the environment and human hygiene and reduce product installation time. The Company's heritage of innovation and specification has allowed it to provide highly-engineered, mission-critical solutions to customers for decades and affords it the privilege of having long-term, valued relationships with market leaders. The Company operates in a disciplined way and the Zurn Elkay Business System (“ZEBS”) is its operating philosophy. Grounded in the spirit of continuous improvement, ZEBS creates a scalable, process-based framework that focuses on driving superior customer satisfaction and financial results by targeting world-class operating performance throughout all aspects of its business. Recent Accounting Pronouncements In November 2024, the FASB issued Accounting Standards Update 2024-03 “Income Statement — Reporting Comprehensive Income — Expense Disaggregation Disclosures: Disaggregation of Income Statement Expenses” (“ASU 2024-03”), which is intended to improve disclosures about a public business entity's expenses, primarily through additional disaggregation of income statement expenses. The ASU’s amendments are effective for fiscal years beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027. The Company is evaluating the impact of the adoption of ASU 2024-03 on the consolidated financial statements.

The unaudited condensed consolidated financial statements included herein have been prepared by Zurn Elkay Water Solutions Corporation (“Zurn Elkay” or the “Company”) in accordance with accounting principles generally accepted in the United States ("GAAP") pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures are adequate to make the information presented not misleading.

In the opinion of management, the condensed consolidated financial statements include all adjustments necessary for a fair presentation of the results of operations for the interim periods. Results for the interim periods are not necessarily indicative of results that may be expected for the year ending December 31, 2026. These condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto included in the Company's Annual Report on Form 10-K for the year ended December 31, 2025.

Zurn Elkay is a growth-oriented, pure-play water management business that designs, procures, manufactures, and markets what the Company believes to be the broadest sustainable product portfolio of specification-driven water management solutions to improve health, hydration, human safety and the environment. The Company's product portfolio includes professional grade water safety and control products, flow systems products, hygienic and environmental products, and filtered drinking water products for public and private spaces that deliver superior value to building owners, positively impact the environment and human hygiene and reduce product installation time. The Company's heritage of innovation and specification has allowed it to provide highly-engineered, mission-critical solutions to customers for decades and affords it the privilege of having long-term, valued relationships with market leaders. The Company operates in a disciplined way and the Zurn Elkay Business System (“ZEBS”) is its operating philosophy. Grounded in the spirit of continuous improvement, ZEBS creates a scalable, process-based framework that focuses on driving superior customer satisfaction and financial results by targeting world-class operating performance throughout all aspects of its business.

In November 2024, the FASB issued Accounting Standards Update 2024-03 “Income Statement — Reporting Comprehensive Income — Expense Disaggregation Disclosures: Disaggregation of Income Statement Expenses” (“ASU 2024-03”), which is intended to improve disclosures about a public business entity's expenses, primarily through additional disaggregation of income statement expenses. The ASU’s amendments are effective for fiscal years beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027. The Company is evaluating the impact of the adoption of ASU 2024-03 on the consolidated financial statements.