CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 54.2	$ 95.2	$ 107.7	$ 185.6
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	4.2	(61.0)	22.9	(69.8)
Cash flow hedges	(1.0)	(2.8)	1.7	(1.8)
Defined benefit pension plans	0.1	(0.2)	0.3	0.7
Other comprehensive income (loss), net of tax	3.3	(64.0)	24.9	(70.9)
Comprehensive income (loss)	57.5	31.2	132.6	114.7
Add: comprehensive loss attributable to noncontrolling interest	0.0	0.0	0.1	0.0
Comprehensive income (loss) attributable to Leggett & Platt, Inc.	$ 57.5	$ 31.2	$ 132.7	$ 114.7