Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2012

Derivative Financial Instruments [Abstract]

Notional Amounts Of Outstanding Forward Contracts

As of March 31, 2012 and September 30, 2011, we had outstanding forward contracts with notional amounts equivalent to the following:

Currency Hedged	March 31, 2012		September 30, 2011
	(in thousands)
Canadian Dollar / U.S. Dollar	$	64,274	$	92,748
Euro / U.S. Dollar	38,888		65,773
Canadian Dollar / Euro	4,781		—
Chinese Renminbi / U.S. Dollar	5,480		19,973
Japanese Yen / U.S. Dollar	22,150		13,676
Swiss Franc / U.S. Dollar	9,167		9,419
British Pound / Euro	5,706		3,993
All other	10,365		7,350
Total	$	160,811	$	212,932