EMPLOYEE BENEFIT PLANS - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Dec. 31, 2008	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Employee Deferred Compensation Plan
Defined Benefit Plan Disclosure [Line Items]
Minimum required annual base salary to qualify under employee deferred compensation plan		$ 135,000
Average rate of interest earned		3.25%	3.25%	3.31%
Employee Deferred Compensation Plan | Minimum
Defined Benefit Plan Disclosure [Line Items]
Percentage of deferred pre-tax compensation		1.00%
Employee Deferred Compensation Plan | Maximum
Defined Benefit Plan Disclosure [Line Items]
Percentage of deferred pre-tax compensation		50.00%
Director Deferred Compensation Plan
Defined Benefit Plan Disclosure [Line Items]
Average rate of interest earned		3.25%	3.25%	3.31%
Director Deferred Compensation Plan, interest rate terms		If the prime rate exceeds 6%, the interest rate is equal to 6% plus one half of the excess over 6%. Interest earned under both deferred compensation plans is capped at 120% of the long-term applicable federal rate as discussed in the plans.
Deferred Compensation Plan | OneSource Services Inc
Defined Benefit Plan Disclosure [Line Items]
Company contributions to participant deferred compensation	50.00%
Participant's compensation for the contribution allocation period	5.00%
Aggregate expense recognized under deferred compensation plans		400,000	400,000	300,000
Total long-term liability of all deferred compensation plans		15,500,000	15,300,000
Defined Contribution Pension Plan 401k
Defined Benefit Plan Disclosure [Line Items]
Contributions paid for plans		8,300,000	6,200,000	6,200,000
Number of 401(k) savings plans		6
Pension Plans Under Collective Bargaining
Defined Benefit Plan Disclosure [Line Items]
Contributions paid for plans		63,200,000	58,200,000	47,900,000
Rabbi Trust
Defined Benefit Plan Disclosure [Line Items]
Fair value of the assets held in the Rabbi Trust		4,700,000	5,700,000
Supplemental Executive Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Number of years that the retirement benefit plan provide a monthly payment		10 years
Death Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Death benefit that the employee entitled to prior to retirement		150,000
Death benefit plan coverage percentage		50.00%
In the year ending October 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Net actuarial gains		$ 100,000