Condensed Combined and Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Aug. 27, 2017	Aug. 28, 2016
Other comprehensive income (loss) Pre- Tax Amount :
Net income	$ 132.4	$ 134.1
Unrealized currency translation gains (losses)	15.2	(1.1)
Comprehensive income (loss)	147.6	133.0
Less: Comprehensive income attributable to noncontrolling interests	4.9	3.5
Comprehensive income (loss) attributable to Lamb Weston	142.7	129.5
Other comprehensive income (loss) Tax (Expense) Benefit :
Net income	(44.1)	(51.0)
Comprehensive income (loss)	(44.1)	(51.0)
Comprehensive income (loss) attributable to Lamb Weston	(44.1)	(51.0)
Other comprehensive income (loss) After Tax Amount :
Net income	88.3	83.1
Unrealized currency translation gains (losses)	15.2	(1.1)
Comprehensive income (loss)	103.5	82.0
Less: Comprehensive income attributable to noncontrolling interests	4.9	3.5
Comprehensive income (loss) attributable to Lamb Weston	$ 98.6	$ 78.5