CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (Parenthetical) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Comprehensive income (loss):
Tax effects on unrealized gains/(losses) on marketable securities	$ 19	$ 7,412
Tax effects on reclassification adjustment for (gains)/losses included in net income (loss)	0	693
Tax effect on pension liability amortization	176	111
Tax effect on amortization of (gains)/losses on cash flow hedges	179	2,178
Accumulated Other Comprehensive Income
Comprehensive income (loss):
Tax effects on unrealized gains/(losses) on marketable securities	19	7,412
Tax effects on reclassification adjustment for (gains)/losses included in net income (loss)	0	693
Tax effect on pension liability amortization	176	111
Tax effect on amortization of (gains)/losses on cash flow hedges	$ 179	$ 2,178