CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Feb. 29, 2012		Feb. 28, 2011		Feb. 29, 2012		Feb. 28, 2011
Net Sales	$ 773,643		$ 678,920		$ 2,675,646		$ 2,400,073
Cost of Sales	470,443		409,402		1,593,799		1,415,632
Gross Profit	303,200		269,518		1,081,847		984,441
Selling, General and Administrative Expenses	277,456		256,676		833,553		761,366
Interest Expense	17,897		16,502		53,612		49,012
Investment (Income), Net	(2,190)		(4,903)		(3,259)		(11,189)
Other (Income), Net	(1,399)		(746)		(8,369)		(1,945)
Income Before Income Taxes	11,436		1,989		206,310		187,197
Provision for Income Taxes	3,512		796		61,127		57,507
Net Income	7,924		1,193		145,183		129,690
Less: Net Income Attributable to Noncontrolling Interests	1,299		96		11,816		10,806
Net Income Attributable to RPM International Inc. Stockholders	$ 6,625		$ 1,097		$ 133,367		$ 118,884
Average Number of Shares of Common Stock Outstanding:
Basic	128,121		127,166		128,072		127,383
Diluted	130,377	[1]	129,442	[1]	128,627	[1]	128,020	[1]
Earnings Per Share of Common Stock Attributable to RPM International Inc. Stockholders:
Basic	$ 0.05		$ 0.01		$ 1.02		$ 0.92
Diluted	$ 0.05	[1]	$ 0.01	[1]	$ 1.02	[1]	$ 0.91	[1]
Cash Dividends Declared per Share of Common Stock	$ 0.215		$ 0.210		$ 0.640		$ 0.625

[1] For the first nine months of fiscal 2012 and 2011, approximately 2,618,000 and 2,111,000 shares of stock, respectively, granted under stock-based compensation plans were excluded from the calculation of diluted earnings per share, as the effect would have been anti-dilutive.