Acquisitions - Additional Information (Detail) (USD $)		1 Months Ended			12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended
	Oct. 31, 2013	Dec. 01, 2010 Customer Contracts	Dec. 01, 2010 Trademarks	Nov. 30, 2012 Air Serv	Oct. 31, 2013 Air Serv	Apr. 30, 2013 Air Serv	Oct. 31, 2013 Air Serv Other Identifiable Intangibles Customer Contracts And Relationships	Nov. 30, 2012 HHA	Oct. 31, 2013 HHA	Jul. 31, 2013 HHA	Oct. 31, 2013 HHA Other Identifiable Intangibles Customer Contracts And Relationships	Nov. 30, 2012 Calvert-Jones	Oct. 31, 2013 Calvert-Jones	Nov. 01, 2013 Calvert-Jones Subsequent Event	Oct. 31, 2013 Calvert-Jones Other Identifiable Intangibles Customer Contracts And Relationships	Aug. 31, 2013 Blackjack	Oct. 31, 2013 Blackjack	Oct. 31, 2013 Blackjack Other Identifiable Intangibles Customer Contracts And Relationships	Sep. 30, 2013 BEST	Oct. 31, 2013 BEST	Oct. 31, 2013 BEST Other Identifiable Intangibles Customer Contracts And Relationships	May 31, 2012 TEGG	Oct. 31, 2012 TEGG	Oct. 31, 2013 TEGG	Oct. 31, 2012 TEGG Other Identifiable Intangibles Customer Contracts And Relationships	Dec. 01, 2010 The Linc Group LLC	Oct. 31, 2011 The Linc Group LLC	Oct. 31, 2013 The Linc Group LLC
Business Acquisition [Line Items]
Business acquisition aggregate purchase price				$ 162,881,000				$ 33,680,000				$ 6,055,000				$ 5,286,000			$ 4,642,000			$ 5,500,000				$ 298,700,000
Business acquisition working capital adjustment						(4,100,000)				600,000				200,000									100,000
Business acquisition indemnification hold back amount				11,900,000				1,400,000
Revenues from acquired business					336,200,000				53,500,000				18,400,000				5,300,000			1,100,000			3,900,000				512,900,000
Operating profit from acquired business					12,400,000				1,400,000				1,000,000				200,000			0							11,100,000
Business Acquisition, cost of acquired entity, cash paid				162,881,000				33,680,000				6,055,000				5,286,000			2,600,000			5,667,000				298,720,000
Business acquisition indemnification hold back amount																			400,000
Business acquisition, cost of acquired entity, contingent consideration																			1,642,000
Deferred consideration estimate value, high																			2,000,000
Fair value of accounts receivables acquired				53,100,000				3,200,000				1,400,000				4,400,000			1,500,000
Uncollectable receivable amount				400,000
Life to date business acquisition entity transaction cost	1,500,000
Direct acquisition cost	500,000																						200,000				5,200,000
Weighted-average amortization period for the acquired intangible assets		14 years	4 years				14 years				13 years				12 years			11 years			9 years				14 years
Goodwill expected to be deductible for income tax purposes	$ 18,400,000																							$ 2,000,000				$ 144,100,000