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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Unrealized gain from derivatives, income tax benefit			$ 161
Net change in unrealized gains and losses on marketable securities, income tax benefit	$ 682	$ 2,380	$ 7,475

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- Definition

Other Comprehensive Income Net Unrealized Gains Losses On Marketable Securities Net Of Tax, Tax Amount

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- Definition

Other comprehensive income unrealized hedging gains losses net of tax tax amount.

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No definition available.

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