Selected Quarterly Financial Data (Tables)

12 Months Ended

Oct. 31, 2014

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

Selected Quarterly Financial Data (In thousands except per share amounts) (Unaudited)

										Earnings (Loss)
							Net			Per Share of
	Operating				Operating		Income			Common Stock
	Revenues		Margin		Income		(Loss)			Basic			Diluted
Fiscal Year 2014
January 31	$	657,733	$	261,512	$	102,319	$	97,572		$	1.27		$	1.26
April 30	462,247		211,523		67,299		62,540			0.80			0.80
July 31	164,187		104,847		3,254		(7,344		)	(0.09		)	(0.09		)
October 31	185,821		112,326		6,993		(8,967		)	(0.11		)	(0.11		)
Fiscal Year 2013
January 31	$	515,875	$	231,623	$	86,213	$	85,923		$	1.19		$	1.18
April 30	399,411		183,856		51,504		55,790			0.74			0.74
July 31	162,943		97,000		591		(2,293		)	(0.03		)	(0.03		)
October 31	200,000		109,011		5,886		(5,003		)	(0.07		)	(0.07		)