CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Nov. 30, 2011		Nov. 30, 2010		Nov. 30, 2011		Nov. 30, 2010
Net Sales	$ 916,085		$ 826,343		$ 1,902,003		$ 1,721,153
Cost of Sales	547,064		486,846		1,123,356		1,006,230
Gross Profit	369,021		339,497		778,647		714,923
Selling, General and Administrative Expenses	281,874		250,648		555,817		504,670
Interest Expense	17,909		16,468		35,715		32,510
Investment (Income), Net	(1,045)		(4,309)		(1,069)		(6,286)
Other (Income), Net	(5,887)		(578)		(6,690)		(1,179)
Income Before Income Taxes	76,170		77,268		194,874		185,208
Provision for Income Taxes	22,251		23,765		57,615		56,711
Net Income	53,919		53,503		137,259		128,497
Less: Net Income Attributable to Noncontrolling Interests	3,988		4,712		10,517		10,710
Net Income Attributable to RPM International Inc. Stockholders	$ 49,931		$ 48,791		$ 126,742		$ 117,787
Average Number of Shares of Common Stock Outstanding:
Basic	127,986		127,012		128,048		127,491
Diluted	128,432	[1],[2]	127,670	[1],[2]	128,537	[1],[2]	128,050	[1],[2]
Earnings per Share of Common Stock Attributable to RPM International Inc. Stockholders:
Basic	$ 0.38		$ 0.38		$ 0.97		$ 0.91
Diluted	$ 0.38	[1],[2]	$ 0.38	[1],[2]	$ 0.97	[1],[2]	$ 0.91	[1],[2]
Cash Dividends Declared per Share of Common Stock	$ 0.215		$ 0.210		$ 0.425		$ 0.415

[1] For the quarters ended November 30, 2011 and 2010, approximately 2,722,000 and 2,197,000 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.

[2] For the six month periods ended November 30, 2011 and 2010, approximately 2,522,000 and 1,867,000 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.