Leases (Details 1) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Future minimum lease payments under noncancelable capitalized and operating leases
2012 Capitalized	$ 5,481
2012 operating	10,955
2013 capitalized	4,036
2013 operating	6,244
2014 capitalized	2,211
2014 operating	4,429
2015 capitalized	637
2015 operating	2,863
2016 capitalized	49
2016 operating	2,216
Later years capitalized	0
Later years operating	9,095
Total minimum lease payments capitalized	12,414
Total minimum lease payments operating	35,802
Less amount representing executory costs	1,812
Net minimum lease payments	10,602
Less amount representing interest	1,269
Present value of net minimum lease payments	9,333
Less current portion	(4,131)	(3,764)
Long-term obligations at October 31, 2011	$ 5,202	$ 3,316