Insurance - Additional Information (Detail) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Schedule of Other Liabilities [Line Items]
Self insurance retention amount per-claim	$ 1,000,000
Commercial insurance policies coverage	150,000,000
Insurance claim reserves	343,800,000	341,400,000
Insurance recoverables	64,500,000	70,600,000
Self-insurance reserve adjustments	1,688,000	(11,950,000)	(247,000)
Corporate segment
Schedule of Other Liabilities [Line Items]
Self-insurance reserve adjustments	7,300,000	2,100,000	1,200,000
Minimum
Schedule of Other Liabilities [Line Items]
Insurance deductibles per occurrence	1,000,000
Maximum
Schedule of Other Liabilities [Line Items]
Insurance deductibles per occurrence	5,000,000
Medical and Dental Self Insurance Program
Schedule of Other Liabilities [Line Items]
Insurance claim reserves	13,000,000
Medical and Dental Self Insurance Program | Maximum
Schedule of Other Liabilities [Line Items]
Self insurance retention amount per-claim	400,000
OneSource Services Inc
Schedule of Other Liabilities [Line Items]
Commercial insurance policies coverage	$ 75,000,000