Standby Letters of Credit, Surety Bonds and Restricted Insurance Deposits Outstanding to Collaterize Self-Insurance Obligations (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Oct. 31, 2012
Letters Of Credit [Line Items]
Surety bonds	$ 345,700
Self Insurance Programs
Letters Of Credit [Line Items]
Standby letters of credit	103,799	104,968
Surety bonds	46,292	34,933
Restricted insurance deposits	28,478	31,720
Total	$ 178,569	$ 171,621

Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

Name:	us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant