|
Significant Accounting Policies (Details Textual) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Asset Impairment Charges | $ 0.9 | |
| Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease) | 3.0 | |
| Decrease In Warranty Provision | 2.4 | |
| Amortization Expenses Decreased During The Period | 3.0 | |
| Finite-Lived Intangible Asset, Useful Life | 5 years | |
| Service Life [Member] | ||
| Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease) | $ 0.2 | |