Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Other comprehensive income [Member]
Gains and losses on derivative instruments
Gain (loss) recognized in OCI on derivatives	$ 23,613	$ (25,869)
Cost of goods sold [Member]
Gains and losses on derivative instruments
Loss reclassified from accumulated OCI into income	(1,377)	(2,994)
Interest expense [Member]
Gains and losses on derivative instruments
Loss reclassified from accumulated OCI into income		(1,033)
Foreign currency gain [Member]
Gains and losses on derivative instruments
(Loss) gain reclassified from accumulated OCI into	(480)	501
Gain recognized in income on derivatives	$ (271)