Subsequent Events	6 Months Ended
Oct. 31, 2012
Subsequent Events	11. Subsequent Events On December 5, 2012, the Company entered into a definitive agreement to acquire Minneapolis-based PDI Ninth House, a leading, globally-recognized provider of leadership assessment and development solutions, for $80 million in cash, subject to certain adjustments and up to $15 million in additional contingent consideration for the achievement of certain post-closing synergies, payable, if at all, in three installments in 2013 and 2014. The acquisition, which is expected to close by the end of the calendar year, is subject to the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and other customary closing conditions.

Subsequent Events

6 Months Ended

Oct. 31, 2012

11. Subsequent Events

On December 5, 2012, the Company entered into a definitive agreement to acquire Minneapolis-based PDI Ninth House, a leading, globally-recognized provider of leadership assessment and development solutions, for $80 million in cash, subject to certain adjustments and up to $15 million in additional contingent consideration for the achievement of certain post-closing synergies, payable, if at all, in three installments in 2013 and 2014. The acquisition, which is expected to close by the end of the calendar year, is subject to the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and other customary closing conditions.