Annual report pursuant to Section 13 and 15(d)

Summary of Acquisition (Parenthetical) (Detail)

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Summary of Acquisition (Parenthetical) (Detail) (USD $)
 3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Apr. 30, 2013
Country
Jan. 31, 2013
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2011
Jul. 31, 2011
Apr. 30, 2013
Country
Apr. 30, 2012
Apr. 30, 2011
Apr. 30, 2013
Global Novations, LLC
Sep. 30, 2012
Global Novations, LLC
Apr. 30, 2013
Global Novations, LLC
Minimum
Country
Apr. 30, 2013
PDI Ninth House
Dec. 31, 2012
PDI Ninth House
Apr. 30, 2013
PDI Ninth House
Minimum
Country
Business Acquisition [Line Items]                                  
Acquisition of a business, purchase price $ 126,917,000 [1],[2]       $ 442,000 [3]       $ 126,917,000 [1],[2] $ 442,000 [3]     $ 34,500,000     $ 92,500,000  
Acquisition of a business, contingent consideration                               14,900,000  
Acquisition of a business, cost savings due to synergies                             8,000,000    
Number of years in business                       30 years         45 years
Number of countries in which entity operates 37               37               20
Fee revenue $ 227,902,000 [4] $ 202,004,000 $ 196,231,000 $ 186,694,000 $ 198,087,000 $ 185,951,000 $ 200,136,000 $ 206,331,000 $ 812,831,000 $ 790,505,000 $ 744,249,000 $ 17,400,000         $ 28,200,000
Offerings designed to develop leaders                       150          
Number of countries in which the entity has provided services                           40      
[1] 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. As of April 30, 2013, the contingent consideration is included in other accrued liabilities in the accompanying consolidated balance sheets, which is payable, upon reaching post-closing synergies up to $8.0 million. The Company expects to pay the entire amount of the contingent consideration during the first quarter of fiscal 2014. 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 $28.2 million in fee revenue during fiscal 2013.
[2] 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 $17.4 million in fee revenue during fiscal 2013.
[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.
[4] During the three months ended April 30, 2013, the Company implemented a restructuring plan to continue to integrate PDI in order to eliminate redundant positions and consolidate premises. This resulted in restructuring charges, net of recoveries of $2.9 million against operations during the three months ended April 30, 2013.