CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings	$ 119.8	$ 78.5	$ 210.9	$ 151.3
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(16.9)	2.8	5.5	(35.0)
Cash flow hedges	(0.5)	1.3	6.0	(0.4)
Defined benefit pension plans	0.9	0.5	1.6	1.8
Other comprehensive income (loss)	(16.5)	4.6	13.1	(33.6)
Comprehensive income	103.3	83.1	224.0	117.7
Less: comprehensive loss (income) attributable to noncontrolling interest	2.4	(0.9)	0.8	(2.0)
Comprehensive income attributable to Leggett & Platt, Inc.	$ 105.7	$ 82.2	$ 224.8	$ 115.7