INCOME TAXES - Additional Information (Detail) (USD $)	12 Months Ended
	Oct. 31, 2011 Location	Oct. 31, 2010	Oct. 31, 2009
Income Taxes [Line Items]
Unrecognized tax benefits, related to re-measurement	$ 4,700,000
Discrete tax costs	1,900,000
Deferred tax assets, tax benefit from federal net operating loss carryforwards	43,400,000
Other, net	(796,000)	143,000
Decrease in valuation allowance for a goodwill adjustment	300,000
Number of states in which entity operates	50
Maximum decrease in unrecognized tax benefits that is reasonably possible	(4,300,000)
Unrecognized tax benefits	95,956,000	101,681,000	102,291,000
Unrecognized tax benefits, accrued interest	$ 900,000
Federal
Income Taxes [Line Items]
Net operating loss carryforwards, expiry	Between 2014 and 2029
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards, expiry	Between the years 2011 and 2031
Income tax returns open for examination	2007-2011
Domestic Country
Income Taxes [Line Items]
Income tax returns open for examination	October 31, 2006 through October 31, 2011
Domestic Country | OneSource Services Inc
Income Taxes [Line Items]
Income tax returns open for examination	March 31, 2000 through November 14, 2007
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Income tax returns open for examination	2006-2008