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Fair Value Measurements Fair Value Measurements (Details Textual) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2014
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| Fair Value Disclosures [Abstract] | |
| BusinessCombinationContingentConsiderationArrangementsRangeNetOfOutcomesValueLow | $ 1.1wstl_BusinessCombinationContingentConsiderationArrangementsRangeNetOfOutcomesValueLow |
| BusinessCombinationContingentConsiderationArrangementsNetRangeOfOutcomesValueHigh | $ 2.7wstl_BusinessCombinationContingentConsiderationArrangementsNetRangeOfOutcomesValueHigh |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
BusinessCombinationContingentConsiderationArrangementsNetRangeOfOutcomesValueHigh No definition available.
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| X | ||||||||||
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- Definition
BusinessCombinationContingentConsiderationArrangementsRangeNetOfOutcomesValueLow No definition available.
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