XML 24 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Investment in Kemrock Industries and Exports Ltd - Additional Information (Detail) | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  | 12 Months Ended | 1 Months Ended | 6 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2012 USD ($) | Aug. 31, 2012 USD ($) | Nov. 30, 2012 USD ($) | Feb. 28, 2013 USD ($) | Feb. 28, 2013 INR | Nov. 30, 2012 INR | Aug. 08, 2012 | May 31, 2012 INR | Aug. 31, 2012 Kemrock Industries and Exports Limited USD ($) | Feb. 28, 2013 Kemrock Industries and Exports Limited USD ($) | May 31, 2012 Kemrock Industries and Exports Limited USD ($) | May 31, 2011 Kemrock Industries and Exports Limited | May 31, 2012 Kemrock global depository receipts USD ($) | Apr. 30, 2012 Conversion option, Kemrock 5.5% bonds USD ($) | Nov. 30, 2012 Conversion option, Kemrock 5.5% bonds | May 31, 2012 Conversion option, Kemrock 5.5% bonds USD ($) | Apr. 30, 2012 Conversion option, Kemrock 5.5% bonds Minimum | May 31, 2012 Conversion option, Kemrock 5.5% bonds Minimum | Apr. 30, 2012 Conversion option, Kemrock 5.5% bonds Maximum | May 31, 2012 Conversion option, Kemrock 5.5% bonds Maximum
Basis of Presentation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advances to affiliate |  |  |  |  |  |  |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |  |
Agreement expiration period |  |  |  |  |  |  |  |  |  |  | Sep. 15, 2012 |  |  |  |  |  |  |  |  |
Acquisition of equity method investment, shares |  |  |  |  |  |  |  |  |  |  | 870,000 | 3,200,000 | 693,072 |  |  |  |  |  |  |
Purchase of global depository receipt, value |  |  |  |  |  |  |  |  |  |  |  |  | 7,200,000 |  |  |  |  |  |  |
Equity method investment carrying value |  |  |  |  |  |  |  |  |  |  |  |  | 42,200,000 |  |  |  |  |  |  |
Investment in affiliate |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,700,000 |  | 22,700,000 |  |  |  |
Investment in affiliate, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.50% | 5.50% | 5.50% |  |  |  |
Debt securities, conversion date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jun. 04, 2012 | Jun. 04, 2012 | Jun. 12, 2017 | Jun. 12, 2017
Kemrock common stock market value per share |  |  |  |  | 52.90 | 56.70 |  | 531.00 |  |  |  |  |  |  |  |  |  |  |  |
Kemrock common stock price declining percentage |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment loss on equity method investment | 10,100,000 | 32,100,000 | 42,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on Kemrock conversion option | 800,000 | 8,200,000 | 9,000,000 | (9,030,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from affiliate |  |  |  |  |  |  |  |  |  | 5,400,000 |  |  |  |  |  |  |  |  |  |
Outstanding loan amount |  |  |  |  |  |  |  |  |  | 4,600,000 |  |  |  |  |  |  |  |  |  |
Loans deemed uncollectible, recorded as loss |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |

X
- Definition Agreement Expiration Date + References No definition available. + Details
Name: | rpm_AgreementExpirationDate
Namespace Prefix: | rpm_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | rpm_BasisOfPresentationLineItems
Namespace Prefix: | rpm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Convertible Units, Conversion Date + References No definition available. + Details
Name: | rpm_ConvertibleUnitsConversionDate
Namespace Prefix: | rpm_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity Investment, Shares Purchased + References No definition available. + Details
Name: | rpm_EquityInvestmentSharesPurchased
Namespace Prefix: | rpm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Method Investment Carrying Value + References No definition available. + Details
Name: | rpm_EquityMethodInvestmentCarryingValue
Namespace Prefix: | rpm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Gain Loss on Sale and Impairment of Equity Investments + References No definition available. + Details
Name: | rpm_GainLossOnSaleAndImpairmentOfEquityInvestments
Namespace Prefix: | rpm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Investment Interest Rate, Percentage + References No definition available. + Details
Name: | rpm_InvestmentInterestRatePercentage
Namespace Prefix: | rpm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outstanding Loans From Affiliate + References No definition available. + Details
Name: | rpm_OutstandingLoansFromAffiliate
Namespace Prefix: | rpm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage Of Common Stock Price Declined + References No definition available. + Details
Name: | rpm_PercentageOfCommonStockPriceDeclined
Namespace Prefix: | rpm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price Of Common Stock + References No definition available. + Details
Name: | rpm_PriceOfCommonStock
Namespace Prefix: | rpm_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.2) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6812-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 2 -Article 6 + Details
Name: | us-gaap_AdvancesToAffiliate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net Increase or Decrease in the fair value of the derivative or group of derivatives included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 14 -Paragraph Column E -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 14 -Paragraph 2 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 14 -Paragraph 3 -Article 12 + Details
Name: | us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromCollectionOfAdvanceToAffiliate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration