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Consolidated Statements of Comprehensive Loss (Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2011
Income tax	$ 7
Interest Rate Swap [Member]
Income tax	$ 1

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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