Financial Instruments and Hedging Activities (Summarized Activity of Derivative Instruments) (Detail) - Derivatives Not Designated as Hedges - Other expense, net - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income	$ (2,261)	$ 3,078	$ (27)	$ (16,019)
Security price guarantees
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income	$ 0	$ 334	$ 0	$ (204)