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Basis of Presentation and Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2012
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Jun. 30, 2012
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Jun. 30, 2012
Customer 1 [Member]
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Jun. 30, 2011
Customer 1 [Member]
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Dec. 31, 2011
Customer 1 [Member]
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Jun. 30, 2012
Customer 2 [Member]
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Jun. 30, 2011
Customer 2 [Member]
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Dec. 31, 2011
Customer 2 [Member]
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| Long-Lived Assets to be Abandoned [Line Items] | ||||||||
| Accelerated depreciation | $ 0.4 | $ 1.3 | ||||||
| Impairment loss | $ 0.8 | $ 0 | ||||||
| Revenue, Major Customer [Line Items] | ||||||||
| Entity-wide revenue, major customer, percentage (in hundredths) | 41.00% | 57.00% | 37.00% | 38.00% | ||||
| Entity-wide receivable, major customer, percentage (in hundredths) | 42.00% | 57.00% | 50.00% | 43.00% | ||||
| X | ||||||||||
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- Definition
The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. No definition available.
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- Definition
The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Percentage of receivable generated from a single external customer that accounts for 10 percent or more of an entity's receivables. No definition available.
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