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Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Comprehensive Income
Pension liability adjustments (Net of tax: $356, $1,255, $34)	$ 356	$ 1,255	$ 34
Reclassification of market value adjustments for investments to earnings (Net of tax: $-, $-, $510)	0	0	510
Reclassification of unrealized derivative loss on cash flow hedges to earnings (Net of tax: $-, $-, ($7))	$ 0	$ 0	$ 7

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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- Definition

Tax effect of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

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