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Components of Total Equity and Comprehensive Income (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Aug. 31, 2016 | Aug. 31, 2015
Stockholders Equity Note [Line Items] |  |
Total equity, beginning of period | $ 1,374,748 | $ 1,293,465
Net income | 113,394 | 100,362
Other Comprehensive Income: |  |
Foreign currency translation adjustments | (11,511) | (30,606)
Pension and other postretirement benefit liability adjustments, net of tax | 5,704 | 4,160
Unrealized (loss) gain on securities, net of tax | 1,604 | (7,084)
Total other comprehensive (loss) | (4,203) | (33,530)
Total Comprehensive Income | 109,191 | 66,832
Dividends paid | (36,529) | (34,634)
Other noncontrolling interest activity | (912) |
Shares repurchased and returned for taxes | (17,105) | (35,348)
Stock based compensation expense | 8,171 | 6,707
Total Equity, end of period | 1,437,564 | 1,297,022
Total RPM International Inc. Equity |  |
Stockholders Equity Note [Line Items] |  |
Total equity, beginning of period | 1,372,335 | 1,291,392
Net income | 112,769 | 99,815
Other Comprehensive Income: |  |
Foreign currency translation adjustments | (11,511) | (30,606)
Pension and other postretirement benefit liability adjustments, net of tax | 5,704 | 4,160
Unrealized (loss) gain on securities, net of tax | 1,604 | (7,084)
Total other comprehensive (loss) | (4,203) | (33,530)
Total Comprehensive Income | 108,566 | 66,285
Dividends paid | (36,529) | (34,634)
Shares repurchased and returned for taxes | (17,105) | (35,348)
Stock based compensation expense | 8,171 | 6,707
Total Equity, end of period | 1,435,438 | 1,294,402
Noncontrolling Interest |  |
Stockholders Equity Note [Line Items] |  |
Total equity, beginning of period | 2,413 | 2,073
Net income | 625 | 547
Other Comprehensive Income: |  |
Total Comprehensive Income | 625 | 547
Other noncontrolling interest activity | (912) |
Total Equity, end of period | $ 2,126 | $ 2,620

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- Definition This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66904339&loc=d3e4534-113899 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65896087&loc=d3e11149-113907 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65896087&loc=d3e11178-113907 + Details
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