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Stock Appreciation Rights, Deferred Compensation and Redeemable Noncontrolling Interests (Tables)
 3 Months Ended
Jul. 31, 2017
Stock appreciation rights  
Equity based compensation arrangements  
Summary of changes to liability for equity based compensation arrangements

 

 

 

 

Stock appreciation rights as of May 1, 2017 (fair value)

 

$

20,662

Amounts redeemed

 

 

 —

Change in fair value

 

 

590

Stock appreciation rights as of July 31, 2017 (fair value)

 

$

21,252

 

Deferred compensation  
Equity based compensation arrangements  
Summary of changes to liability for equity based compensation arrangements

 

 

 

 

Deferred compensation as of May 1, 2017 (fair value)

 

$

3,750

Amounts redeemed

 

 

 —

Change in fair value

 

 

116

Deferred compensation as of July 31, 2017 (fair value)

 

$

3,866

 

Noncontrolling interest awards  
Equity based compensation arrangements  
Summary of changes to liability for equity based compensation arrangements

 

 

 

 

 

Non-controlling interests as of May 1, 2017 (fair value)

 

$

24,309

 

Amounts redeemed

 

 

(1,000)

 

Change in fair value

 

 

750

 

Non-controlling interests as of July 31, 2017 (fair value)

 

$

24,059