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Long-Term Debt (2.875% Convertible Senior Subordinated Notes Due 2016 Narrative) (Details) (USD $) In Millions, unless otherwise specified		1 Months Ended
	Oct. 31, 2009	Oct. 31, 2009 2.875% Convertible Senior Subordinated Notes Due 2016 [Member]	Jun. 30, 2011 16% Convertible Senior Subordinated Notes Due 2016 [Member]
Interest rate on secured notes	2.875%	2.875%	16.00%
Amount of repayments of subordinated debt		$ 71.8
Write off of debt issuance cost		$ 0.6

The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral.

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