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Intangible Assets (Narrative) (Details) $ in Thousands |  | 1 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 02, 2018 USD ($) | Aug. 31, 2016 USD ($) | Feb. 28, 2018 trade_name | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($)
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Number of indefinite-lived trade names exceeding carrying value by less than 10% | trade_name |  |  | 2 |  |
Impairment of indefinite-lived assets |  |  |  | $ 155,000 |
Intangible assets, useful lives |  |  |  | 15 years |
Intangible assets, tradename impairment |  |  |  |  | $ 600
Finite-lived intangible assets, weighted average remaining period |  |  |  | 11 years 10 months 24 days |
Amortization of intangible assets |  |  |  | $ 21,767 | 23,349
Minimum |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Intangible assets, useful lives |  |  |  | 10 years |
Maximum |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Intangible assets, useful lives |  |  |  | 30 years |
Finite-Lived Tradenames and Customer Relationships |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Intangible assets, tradename impairment |  |  |  | $ 40,953 | 624
Amortization of intangible assets |  |  |  | 21,767 | 23,349
Indefinite- Lived Tradenames |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangibles, reductions |  |  |  | (30,562) |
Impairment of indefinite-lived assets |  |  |  | 154,967 | 99,300
Comet Brand |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangibles, reductions |  | $ (9,000) |  |  |
Impairment of indefinite-lived assets |  |  |  |  | 70,700
Beano Brand |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Impairment of indefinite-lived assets |  |  |  |  | $ 28,600
Disposal group, disposed of by sale, not discontinued operations | Household Cleaning | Household Cleaning | Finite-Lived Tradenames and Customer Relationships |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Finite-lived intangible assets, written off | $ 18,800 |  |  |  |
Disposal group, disposed of by sale, not discontinued operations | Household Cleaning | Household Cleaning | Indefinite- Lived Tradenames |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangibles, reductions | $ (30,500) |  |  |  |
Measurement Input, Cap Rate |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangible asset, increase (decrease) in measurement input |  |  |  |  | 0.50%
Measurement Input, Long-term Revenue Growth Rate | Tradenames |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangible asset, increase (decrease) in measurement input |  |  |  |  | (0.50%)
increase In Measurement Input |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Sensitivity analysis of fair value, impact of change in measurement input |  |  |  | 17,400 |
Decrease In Measurement Input |  |  |  |  |
Schedule of Intangible Assets [Line Items] |  |  |  |  |
Sensitivity analysis of fair value, impact of change in measurement input |  |  |  | $ 8,900 |

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