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Summary of Acquisition (Parenthetical) (Detail) (USD $) | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2014 Country | Apr. 30, 2013 | Apr. 30, 2012 | Apr. 30, 2014 PDI Ninth House | Apr. 30, 2013 PDI Ninth House | Dec. 31, 2012 PDI Ninth House | Apr. 30, 2014 Minimum PDI Ninth House Country | Apr. 30, 2014 Global Novations, LLC | Apr. 30, 2013 Global Novations, LLC | Sep. 30, 2012 Global Novations, LLC | Apr. 30, 2014 Global Novations, LLC Minimum Product Country
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of a business, purchase price | $ 0 | $ 126,917,000 | [1],[2] | $ 442,000 | [3] |  |  | $ 92,500,000 |  |  |  | $ 34,500,000 |
Acquisition of a business, contingent consideration |  |  |  |  |  |  |  | 14,900,000 |  |  |  |  |
Payment of contingent consideration from acquisitions | 15,000,000 |  |  |  |  | 15,000,000 |  |  |  |  |  |  |
Number of years in business |  |  |  |  |  |  |  |  | 45 years |  |  |  | 30 years
Number of countries in which entity operates | 37 |  |  |  |  |  |  |  | 20 |  |  |  |
Fee revenue since effective date of acquisition |  |  |  |  |  | $ 95,600,000 | $ 28,200,000 |  |  | $ 26,000,000 | $ 17,400,000 |  |
Offerings designed to develop leaders |  |  |  |  |  |  |  |  |  |  |  |  | 150
Number of countries in which the entity has provided services |  |  |  |  |  |  |  |  |  |  |  |  | 40
[1] | On September 1, 2012, the Company acquired all outstanding membership interests of Global Novations, LLC, ("Global Novations") a leading provider of diversity and inclusion and leadership development solutions, for $34.5 million in cash, net of cash acquired. Global Novations has more than 150 offerings designed to develop leaders, enable high-performing cultures and deliver business outcomes for its clients. Key diversity and inclusion and leadership offerings include consulting, training and education and e-learning. Global Novations has more than 30 years of experience and has served clients in more than 40 countries, including more than half of the Fortune 100. The acquisition strengthens and expands the Company's talent management offerings through adding complementary product and service offerings and rich intellectual property. Actual results of operations of Global Novations are included in the Company's consolidated financial statements from September 1, 2012, the effective date of the acquisition, and include $26.0 million and $17.4 million in fee revenue during fiscal 2014 and 2013, respectively.
[2] | On December 31, 2012, the Company acquired all outstanding shares of Minneapolis-based PDI, a leading, globally-recognized provider of leadership assessment and development solutions, for $92.5 million, net of cash acquired, which includes $14.9 million in contingent consideration, for the achievement of certain post-closing synergies. During fiscal 2014, the Company paid $15.0 million (includes the interest accreted since December 31, 2012) in contingent consideration to the selling stockholders of PDI as a result of the achievement of certain pre-determined goals associated with expense synergies. PDI has been in business for over 45 years and operates in more than 20 global locations. The acquisition strengthens and expands the Company's talent management offerings through adding complementary product and service offerings and rich intellectual property. Actual results of operations of PDI are included in the Company's consolidated financial statements from December 31, 2012, the effective date of the acquisition, and include $95.6 million and $28.2 million in fee revenue during fiscal 2014 and 2013, respectively.
[3] | On March 1, 2012, the Company purchased Avature USA Recruiting Business and Avature Argentina Recruiting Business. Avature USA Recruiting Business and Avature Argentina Recruiting Business are engaged in providing back-office functions including, database candidate searching, data processing, filling forms, call-center activities, and other administrative functions. As a result of these acquisitions, the Company obtained the rights to certain client contracts from Avature USA, license agreements to use the Customer Relationship Management software, employees of Avature Argentina engaged in the recruiting business and the office lease and equipment in Argentina used in the recruiting business. Actual results of operations of Avature USA Recruiting Business and Avature Argentina Recruiting Business are included in the Company's consolidated financial statements from March 1, 2012, the effective date of the acquisition.

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