Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2012
Capital loss carryforward
Operational results of Legend presented as discontinued operations
Capital loss carryforward	$ 18.3
Legend subsidiary
Discontinued Operations
Non-cash impairment charge		42.4
Excess working capital retained		7.7
Period of Earnout Provision	2 years
Maximum earnout provision	4.1
Capital loss on sale	47.8
Operational results of Legend presented as discontinued operations
Revenues		74.0
Income (loss) before provision for income taxes		$ 40.5

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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-Name Accounting Standards Codification

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Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Represents the excess working capital amount retained as per the agreement.

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Represents the amount of maximum earnout provision which is based on asset retention period.

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Represents the period under agreement for earnout provision.

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