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Subsequent Event (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
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Dec. 31, 2014
|
Dec. 31, 2013
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Mar. 31, 2015
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| Subsequent Event [Line Items] | |||||
| Restructuring | $ 0us-gaap_RestructuringCharges | $ 38us-gaap_RestructuringCharges | $ 55us-gaap_RestructuringCharges | $ 273us-gaap_RestructuringCharges | |
| 4Q15 Restructuring [Member] | |||||
| Subsequent Event [Line Items] | |||||
| Restructuring |
$ 3,000us-gaap_RestructuringCharges / us-gaap_SubsequentEventTypeAxis = wstl_A4Q15RestructuringMember |
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| X | ||||||||||
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- Definition
Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. 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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- Details
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