Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Statement of Comprehensive Income [Abstract]
Net Earnings	$ 43.7	$ 76.9
Foreign currency translation adjustments:
Unrealized foreign currency translation adjustments	0.0	(1.4)
Other Comprehensive Loss	0.0	(1.4)
Total Comprehensive Income	$ 43.7	$ 75.5

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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+ Details

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details

BELLRING BRANDS, INC. 10-Q