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Specialty Products Holding Corp. ("SPHC") - Additional Information (Detail) - USD ($) | 9 Months Ended |
--- | --- | ---
Feb. 29, 2016 | May. 31, 2015
Reorganization [Line Items] |  |
Amount funded for trust as per agreement | $ 450,000,000 |
Bankruptcy Note, net present value | 333,200,000 |
Initial payment for long term debt | 450,000,000 |
Business combination, total consideration transferred | 772,600,000 |
Business acquisition, fair value of goodwill | $ 1,182,293,000 | $ 1,215,688,000
RPM Holdco |  |
Reorganization [Line Items] |  |
Percentage of ownership | 21.39% |
Business acquisition, allocation of total consideration | $ 208,400,000 |
Business acquisition, fair value of goodwill | 118,700,000 |
Business acquisition, fair value of intangible assets | 176,000,000 |
Business acquisition, fair value of income tax assets | 271,700,000 |
Business acquisition, fair value of net deferred tax liabilities | 72,300,000 |
SPHC |  |
Reorganization [Line Items] |  |
Business acquisition, allocation of total consideration | 564,200,000 |
Indefinite-Lived Trade Names | SPHC |  |
Reorganization [Line Items] |  |
Business acquisition, fair value of intangible assets | 52,700,000 |
Formulas | SPHC |  |
Reorganization [Line Items] |  |
Business acquisition, fair value of intangible assets | 2,600,000 |
Customer Relationships | SPHC |  |
Reorganization [Line Items] |  |
Business acquisition, fair value of intangible assets | 118,700,000 |
Definite-Lived Trade Names | SPHC |  |
Reorganization [Line Items] |  |
Business acquisition, fair value of intangible assets | 2,000,000 |
Second Anniversary |  |
Reorganization [Line Items] |  |
Amount funded for trust as per agreement | 102,500,000 |
Third Anniversary |  |
Reorganization [Line Items] |  |
Amount funded for trust as per agreement | 120,000,000 |
Fourth Anniversary |  |
Reorganization [Line Items] |  |
Amount funded for trust as per agreement | 125,000,000 |
Revolving Credit Facility |  |
Reorganization [Line Items] |  |
Revolving credit facility, maximum borrowing capacity | 800,000,000 |
Other Accrued Liabilities |  |
Reorganization [Line Items] |  |
Bankruptcy Note, net present value | 101,000,000 |
Other Long-Term Liabilities |  |
Reorganization [Line Items] |  |
Bankruptcy Note, net present value | $ 232,200,000 |

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