XML 70 R66.htm IDEA: XBRL DOCUMENT

Taxes (Provision For Income Taxes And Effective Tax Rates) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Taxes [Abstract]
Income before income taxes	$ 73,829	$ 52,332
Provision for income tax	$ 17,135	$ 4,106
Effective tax rate	23.20%	7.80%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details

- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

+ References+ Details