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Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 30, 2016 | May 31, 2015 | Jan. 06, 2017 | Dec. 23, 2016
Subsequent Event [Line Items] |  |  |  |
Amount funded for trust as per agreement |  | $ 450.0 |  |
Initial payment for long term debt |  | $ 450.0 |  |
Flowcrete Polymer Flooring Business | Middle East | Bad Debt and Inventory Reserve |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Restructuring charges | $ 12.3 |  |  |
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Amount funded for trust as per agreement |  |  |  | $ 102.5
Subsequent Event | Closure of European Facility and Severance Charges |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Anticipated restructuring charges |  |  | $ 10.0 |

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