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Financing Arrangements (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Jun. 30, 2014
Debt Instrument [Line Items]    
Commercial Paper $ 0 $ 816,100
Commercial Paper    
Debt Instrument [Line Items]    
Amount of short-term commercial paper notes authorized to sell $ 1,850,000  
Maximum    
Debt Instrument [Line Items]    
Ratio of Secured Debt to Net Tangible Assets 10.00%  
Domestic Line of Credit    
Debt Instrument [Line Items]    
Line of credit $ 2,000,000  
Foreign Line of Credit    
Debt Instrument [Line Items]    
Line of credit 62,548  
Line of credit outstanding $ 0  
Weighted-average interest rate of notes payable 0.20%