XML 47 R37.htm IDEA: XBRL DOCUMENT v3.5.0.2
Cash, Trading Securities and Foreign Currency Forward Contracts' Cost, Gross Unrealized Gains, Gross Unrealized Losses and Fair Value Recorded as Cash and Cash Equivalents, Current Portion of Current Marketable Securities, Non-Current Marketable Securities, or Other Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Oct. 31, 2016
Apr. 30, 2016
Oct. 31, 2015
Apr. 30, 2015
Investment Holdings [Line Items]        
Cash and cash equivalents $ 250,033 $ 273,252 $ 270,743 $ 380,838
Marketable Securities, Current 29,766 11,338    
Marketable securities, non-current 110,217 130,092    
Other Accrued Liabilities (138,738) (145,023)    
Income Taxes & Other Receivables 23,455 20,579    
Fair Value, Inputs, Level 1        
Investment Holdings [Line Items]        
Cost 388,564 415,840    
Unrealized Gains 2,431 1,395    
Unrealized Losses (979) (2,553)    
Fair Value 390,016 414,682    
Cash and cash equivalents 250,033 273,252    
Marketable Securities, Current 29,766 11,338    
Marketable securities, non-current 110,217 130,092    
Fair Value, Inputs, Level 1 | Cash        
Investment Holdings [Line Items]        
Cash and cash equivalents 119,276 155,702    
Cost 119,276 155,702    
Fair Value 119,276 155,702    
Fair Value, Inputs, Level 1 | Money Market Funds        
Investment Holdings [Line Items]        
Cash and cash equivalents 130,757 117,550    
Fair Value 130,757 117,550    
Cost 130,757 117,550    
Fair Value, Inputs, Level 1 | Mutual Funds        
Investment Holdings [Line Items]        
Unrealized Gains [1] 2,431 1,395    
Unrealized Losses [1] (979) (2,553)    
Marketable Securities, Current [1] 29,766 11,338    
Marketable securities, non-current [1] 110,217 130,092    
Cost [1] 138,531 142,588    
Fair Value [1] 139,983 141,430    
Fair Value, Inputs, Level 2 | Foreign Exchange Forward Contracts        
Investment Holdings [Line Items]        
Unrealized Gains 551 324    
Unrealized Losses (93) (1,041)    
Fair Value 458 (717)    
Other Accrued Liabilities   $ (717)    
Income Taxes & Other Receivables $ 458      
[1] These investments are held in trust for settlement of the Company's vested and unvested obligations of $133.7 million and $138.8 million as of October 31, 2016 and April 30, 2016, respectively, under the ECAP (see Note 7 - Deferred Compensation and Retirement Plans). During the three months ended October 31, 2016, the fair value of the investments decreased; therefore, the Company recognized a loss of $0.7 million, which was recorded in other (loss) income, net. During the six months ended October 31, 2016, the fair value of the investments increased; therefore, the Company recognized income of $3.2 million, which was recorded in other (loss) income, net. During the three and six months ended October 31, 2015, the fair value of the investments decreased; therefore, the Company recognized a loss of $2.5 million and $1.8 million, respectively, which was recorded in other (loss) income, net.