Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Reclassification of the excess from interest and other income to cost of revenues
Cost of revenues	$ 1,260,770,000	$ 1,376,558,000	$ 1,951,312,000
Interest and other income	23,403,000	28,313,000	41,906,000
Additional Significant Accounting Policies (Textual) [Abstract]
Condition for accounting in investments as per equity method	Investments in 50% or less owned partnerships and affiliates are accounted for using the equity method unless it is determined that the Company has effective control of the entity, in which case the entity would be consolidated.
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	153,300,000	146,300,000
Advertising Expense	11,100,000	9,200,000	11,500,000
More likely than not definition threshold	50.00%
Controlling interest by the parent	67.00%
Minority interest not owned by the company	33.00%
Reclassified
Reclassification of the excess from interest and other income to cost of revenues
Cost of revenues	1,376,558,000
Interest and other income	28,313,000
As reported
Reclassification of the excess from interest and other income to cost of revenues
Cost of revenues	1,383,075,000
Interest and other income	34,830,000
Increase (decrease)
Reclassification of the excess from interest and other income to cost of revenues
Cost of revenues	(6,517,000)
Interest and other income	$ 6,517,000