9. Other Income and Expenses (Details) (USD $)	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest and investment income	$ (8,200,000)	$ (5,200,000)	$ (5,700,000)
Net realized gains on investments	(700,000)	(600,000)	0
Other-than-temporary impairment losses on investments	2,100,000	200,000	3,500,000
Foreign non-income tax relief	0	0	(4,600,000)
Miscellaneous other items	(800,000)	1,700,000	(100,000)
Other (income) expense, net	$ (7,583,000)	$ (3,875,000)	$ (6,871,000)

Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies.

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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