Fee Revenue Classified by Country (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||||||||||
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Apr. 30, 2013
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Jan. 31, 2013
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Oct. 31, 2012
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Jul. 31, 2012
|
Apr. 30, 2012
|
Jan. 31, 2012
|
Oct. 31, 2011
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Jul. 31, 2011
|
Apr. 30, 2013
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Apr. 30, 2012
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Apr. 30, 2011
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Segment Reporting Information [Line Items] | ||||||||||||||
Fee revenue | $ 227,902 | [1] | $ 202,004 | $ 196,231 | $ 186,694 | $ 198,087 | $ 185,951 | $ 200,136 | $ 206,331 | $ 812,831 | $ 790,505 | $ 744,249 | ||
UNITED STATES
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Segment Reporting Information [Line Items] | ||||||||||||||
Fee revenue | 416,987 | 383,955 | 365,919 | |||||||||||
Other Countries
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Segment Reporting Information [Line Items] | ||||||||||||||
Fee revenue | $ 395,844 | $ 406,550 | $ 378,330 | |||||||||||
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