Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $)	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' Equity, beginning balance at Oct. 31, 2012	$ 1,027,004,000	$ 442,461,000	$ 584,848,000	$ (305,000)
Common Stock, Shares, Outstanding, Beginning Balance at Oct. 31, 2012		72,250,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	141,713,000		141,713,000
Other Comprehensive Income	156,000			156,000
Common Stock Issued	107,280,000	107,280,000
Expenses From Issuance of Common Stock	(358,000)	(358,000)
Tax Benefit from Dividends Paid on ESOP Shares	59,000		59,000
Dividends Declared	(45,123,000)		(45,123,000)
Common Stock Issued (Shares)		3,470,000
Stockholders' Equity, ending balance at Apr. 30, 2013	1,230,731,000	549,383,000	681,497,000	(149,000)
Common Stock, Shares, Outstanding, Ending Balance at Apr. 30, 2013		75,720,000
Stockholders' Equity, beginning balance at Oct. 31, 2013	1,188,596,000	561,644,000	627,236,000	(284,000)
Common Stock, Shares, Outstanding, Beginning Balance at Oct. 31, 2013	76,099,000	76,099,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	160,112,000		160,112,000
Other Comprehensive Income	304,000			304,000
Common Stock Issued	61,687,000	61,687,000
Expenses From Issuance of Common Stock	(12,000)	(12,000)
Tax Benefit from Dividends Paid on ESOP Shares	58,000		58,000
Dividends Declared	(49,064,000)		(49,064,000)
Common Stock Issued (Shares)		2,039,000
Stockholders' Equity, ending balance at Apr. 30, 2014	$ 1,361,681,000	$ 623,319,000	$ 738,342,000	$ 20,000
Common Stock, Shares, Outstanding, Ending Balance at Apr. 30, 2014	78,138,000	78,138,000