CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 53.5	$ 90.4
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	18.7	(8.8)
Cash flow hedges	2.7	1.0
Defined benefit pension plans	0.2	0.9
Other comprehensive income (loss)	21.6	(6.9)
Comprehensive income (loss)	75.1	83.5
Add: comprehensive loss attributable to noncontrolling interest	0.1	0.0
Comprehensive income (loss) attributable to Leggett & Platt, Inc.	$ 75.2	$ 83.5