|
Acquisitions Acquisitions (Details 2) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Apr. 02, 2013
|
|||
|---|---|---|---|---|---|---|---|
| Business Acquisition [Line Items] | |||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent | $ (8,800)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent | ||||||
| Goodwill | 0us-gaap_Goodwill | 31,102us-gaap_Goodwill | [1] | 0us-gaap_Goodwill | |||
| Kentrox [Member] | |||||||
| Business Acquisition [Line Items] | |||||||
| BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAcquired |
2,355wstl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAcquired / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |
5,045us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Acquisition, Purchase Price Allocation, Current Assets Trade Accounts Receivable |
4,325wstl_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsTradeAccountsReceivable / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLandHeldForSaleAcquired |
1,044wstl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLandHeldForSaleAcquired / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| BusinessAcquisitionPurchasePriceAllocationCurrentAssetsOtherassets |
882wstl_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsOtherassets / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
15,980us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other |
(2,963)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |
(3,393)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent |
(2,530)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Goodwill |
10,555us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
| Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest |
$ 31,300us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest / us-gaap_BusinessAcquisitionAxis = wstl_KentroxMember |
||||||
|
|||||||
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of intangible assets, excluding goodwill, acquired at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of inventory recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
BusinessAcquisitionPurchasePriceAllocationCurrentAssetsOtherassets No definition available.
|
| X | ||||||||||
|
- Definition
The amount of acquisition cost of a business combination allocated to trade accounts receivable. No definition available.
|
| X | ||||||||||
|
- Definition
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAcquired No definition available.
|
| X | ||||||||||
|
- Definition
BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLandHeldForSaleAcquired No definition available.
|
| X | ||||||||||
|
- Details
|