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Other Noncurrent Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2014 MEGA Brands | Apr. 30, 2014 MEGA Brands
Other Noncurrent Assets Disclosure [Line Items] |  |  |
Identifiable intangible assets |  | $ 95.0 | $ 95.0
Carrying amount of nonamortizable identifiable intangible asset prior to impairment | 113 |  |
Remaining fair value of intangible asset | 99 |  |
Impairment charge | $ 14 |  |

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