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Investment Income and Other (Schedule Of Investment Income and Other) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Sep. 30, 2012	Sep. 30, 2011
Dividend income	$ 976	$ 972	$ 2,922	$ 3,128
Other revenue	372	135	540	371
Investment income and other	$ 1,348	$ 1,107	$ 3,462	$ 3,499

The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items.

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