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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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May 31, 2013 | May 31, 2012 | May 31, 2011
Net Sales | $ 4,078,655 | [1] | $ 3,777,416 | [1] | $ 3,381,841 | [1]
Cost of Sales | 2,375,936 |  | 2,235,153 |  | 1,980,974 |
Gross Profit | 1,702,719 |  | 1,542,263 |  | 1,400,867 |
Selling, General and Administrative Expenses | 1,309,235 |  | 1,155,714 |  | 1,058,466 |
Estimated Loss Contingency | 65,134 |  |  |  |  |
Restructuring Expense | 20,072 |  |  |  |  |
Interest Expense | 79,846 |  | 72,045 |  | 65,427 |
Investment (Income), Net | (6,178) |  | (4,186) |  | (15,682) |
Other Expense (Income), Net | 57,719 |  | (9,599) |  | (2,397) |
Income (Loss) Before Income Taxes | 176,891 | [2] | 328,289 | [2] | 295,053 | [2]
Provision for Income Taxes | 67,040 |  | 94,526 |  | 91,885 |
Net Income (Loss) | 109,851 |  | 233,763 |  | 203,168 |
Less: Net Income Attributable to Noncontrolling Interests | 11,248 |  | 17,827 |  | 14,110 |
Net Income (Loss) Attributable to RPM International Inc. Stockholders | $ 98,603 |  | $ 215,936 |  | $ 189,058 |
Average Number of Shares of Common Stock Outstanding: |  |  |  |  |  |
Basic | 128,956 |  | 128,130 |  | 127,403 |
Diluted | 129,801 |  | 128,717 |  | 128,066 |
Earnings (loss) per Share of Common Stock Attributable to RPM International Inc. Stockholders: |  |  |  |  |  |
Basic | $ 0.75 |  | $ 1.65 |  | $ 1.46 |
Diluted | $ 0.74 |  | $ 1.65 |  | $ 1.45 |
Cash Dividends Declared per Share of Common Stock | $ 0.890 |  | $ 0.855 |  | $ 0.835 |
[1] | It is not practicable to obtain the information needed to disclose revenues attributable to each of our product lines.
[2] | The presentation includes a reconciliation of Income (Loss) Before Income Taxes, a measure defined by Generally Accepted Accounting Principles (GAAP) in the United States, to EBIT.

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