Selected Quarterly Financial Data (Tables)

12 Months Ended

Oct. 31, 2013

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

16. Selected Quarterly Financial Data (In thousands except per share amounts) (Unaudited)
									Earnings (Loss)
					Operating		Net		Per Share of
	Operating				Income		Income		Common Stock
	Revenues		Margin		(Loss)		(Loss)		Basic		Diluted
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)
Fiscal Year 2012
January 31	$	471,840	$	220,237	$	79,819	$	76,227	$	1.06	$	1.05
April 30		308,432		171,951		48,782		50,192		0.70		0.70
July 31		161,123		86,460		(2,513)		(4,613)		(0.06)		(0.06)
October 31		181,385		96,798		(365)		(1,959)		(0.03)		(0.03)