Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2015	Aug. 31, 2014
Net income	$ 100,362	$ 104,839
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(30,606)	(21,266)
Pension and other postretirement benefit liability adjustments (net of tax of $2,014 and $1,455, respectively)	4,160	2,929
Unrealized (loss) gain on securities (net of tax of $(3,228) and $114, respectively)	(7,084)	76
Unrealized gain (loss) on derivatives (net of tax of $0 and $(42), respectively)		(66)
Total other comprehensive (loss)	(33,530)	(18,327)
Total Comprehensive Income	66,832	86,512
Less: Comprehensive Income Attributable to Noncontrolling Interests	547	2,380
Comprehensive Income Attributable to RPM International Inc. Stockholders	$ 66,285	$ 84,132