Summary of Acquisition (Detail) - USD ($) |
12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2015 |
[2] | |||||||
Business Acquisition [Line Items] | ||||||||||
Receivables due from clients | $ 116,509,000 | [1] | $ 3,085,000 | |||||||
Other current assets | 15,587,000 | [1] | 56,000 | |||||||
Property and equipment | 29,428,000 | [1] | 202,000 | |||||||
Intangible assets | 196,400,000 | [1] | 6,600,000 | |||||||
Other non-current assets | 7,345,000 | [1] | 18,000 | |||||||
Current liabilities | 125,640,000 | [1] | 2,635,000 | |||||||
Deferred compensation and other retirement plans | [1] | 31,400,000 | ||||||||
Deferred tax liabilities | [1] | 58,729,000 | ||||||||
Other liabilities | 8,536,000 | [1] | 56,000 | |||||||
Net assets acquired | 140,964,000 | [1] | 7,270,000 | |||||||
Purchase price | $ 0 | 476,885,000 | [1] | 17,496,000 | ||||||
Goodwill | 335,921,000 | [1] | 10,226,000 | |||||||
Integration/acquisition costs | $ 22,379,000 | 45,409,000 | [1] | 959,000 | ||||||
Hay Group | ||||||||||
Business Acquisition [Line Items] | ||||||||||
Goodwill | $ 335,921,000 | [1] | $ 10,226,000 | |||||||
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