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Definite Lived Intangible Asset - Additional Information (Details) (USD $) In Thousands, unless otherwise specified | Jan. 31, 2015
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Goodwill And Intangible Assets Disclosure [Abstract] |
Amortization expense for definite lived intangible asset, fiscal year | $ 1,806 spwh_FiniteLivedIntangibleAssetsAmortizationExpenseFiscalYear
Amortization expense for definite lived intangible asset, 2015 | 1,806 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Amortization expense for definite lived intangible asset, 2016 | 1,806 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Amortization expense for definite lived intangible asset, 2017 | 1,840 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
Amortization expense for definite lived intangible asset, 2018 | $ 277 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

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- Definition Finite lived intangible assets amortization expense fiscal year. + References No definition available. + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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