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Accounting for Uncertainty in Income Taxes - Additional Information (Details 10Q (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Mar. 31, 2015
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Sep. 30, 2014
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| Deferred Taxes Classification [Line Items] | |||
| Liability for unrecognized tax benefits that would affect effective tax rate, if recognized | $ 73.2 | $ 73.1 | |
| Number of tax years the company is currently open to audit by tax authorities | 8 years | ||
| Maximum | |||
| Deferred Taxes Classification [Line Items] | |||
| Liability for unrecognized tax benefits for interest and penalties | $ 2.0 | $ 2.0 |