CONDENSED CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) (PARENTHETICALS) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Discontinued Operation Tax Effect Of Income Loss From Discontinued Operation During Phase Out Period	$ 1,834	$ 2,642	$ 3,393	$ 4,532

Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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