Financing Arrangements (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Line of Credit Facility [Line Items]
Line of credit available	$ 1,696,300
Commercial Paper	303,700	$ 0
Commercial Paper
Line of Credit Facility [Line Items]
Line of credit	$ 1,850,000
Maximum
Line of Credit Facility [Line Items]
Ratio of Secured Debt to Net Tangible Assets	10.00%
Domestic Line of Credit
Line of Credit Facility [Line Items]
Line of credit	$ 2,000,000
Foreign Line of Credit
Line of Credit Facility [Line Items]
Line of credit	$ 64,310
Weighted-average interest rate of notes payable	0.30%	0.20%
Line of credit outstanding	$ 0