Financial Instruments and Hedging Activities (Summarized Activity of Derivative Instruments) (Detail) (Derivatives Not Designated as Hedges, Other expense, net, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income	$ 1,963	$ (104)
Security price guarantees
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income	$ (4,150)	$ (2,510)