Condensed Combined and Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 27, 2016	Nov. 29, 2015	Nov. 27, 2016	Nov. 29, 2015
Other comprehensive income (loss) Pre- Tax Amount :
Net income	$ 124.9	$ 115.7	$ 259.0	$ 211.5
Unrealized pension and post-employment benefit obligations				6.7
Unrealized currency translation gains (losses)	(11.9)	(8.6)	(13.0)	(10.4)
Comprehensive income (loss)	113.0	107.1	246.0	207.8
Less: Comprehensive income attributable to noncontrolling interests	3.8	3.7	7.3	5.2
Comprehensive income (loss) attributable to Lamb Weston	109.2	103.4	238.7	202.6
Other comprehensive income (loss) Tax (Expense) Benefit :
Net income	(33.9)	(38.7)	(84.9)	(71.0)
Unrealized pension and post-employment benefit obligations				(1.7)
Comprehensive income (loss)	(33.9)	(38.7)	(84.9)	(72.7)
Comprehensive income (loss) attributable to Lamb Weston	(33.9)	(38.7)	(84.9)	(72.7)
Other comprehensive income (loss) After Tax Amount :
Net income	91.0	77.0	174.1	140.5
Unrealized pension and post-employment benefit obligations				5.0
Unrealized currency translation gains (losses)	(11.9)	(8.6)	(13.0)	(10.4)
Comprehensive income (loss)	79.1	68.4	161.1	135.1
Less: Comprehensive income attributable to noncontrolling interests	3.8	3.7	7.3	5.2
Comprehensive income (loss) attributable to Lamb Weston	$ 75.3	$ 64.7	$ 153.8	$ 129.9