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Acquisitions - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended |  | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended
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Oct. 31, 2013 | Aug. 30, 2013 | Oct. 31, 2014 | Oct. 31, 2013 | May 01, 2014 K.Z. Inc. | Oct. 31, 2013 Bison | Apr. 30, 2014 Bison | Aug. 30, 2013 Livin' Lite | Oct. 31, 2013 Livin' Lite | Jan. 31, 2014 Livin' Lite | May 01, 2014 Dealer Networks | Oct. 31, 2013 Dealer Networks | Aug. 30, 2013 Dealer Networks | Oct. 31, 2014 Dealer Networks | May 01, 2014 Trademarks | Oct. 31, 2013 Trademarks | Aug. 30, 2013 Trademarks | Oct. 31, 2014 Trademarks | May 01, 2014 Non-Compete Agreements | Aug. 30, 2013 Non-Compete Agreements | Oct. 31, 2014 Non-Compete Agreements | May 01, 2014 Backlog | Oct. 31, 2013 Backlog | Aug. 30, 2013 Backlog | Oct. 31, 2014 Backlog | Aug. 30, 2013 Design Technology Assets | Oct. 31, 2014 Design Technology Assets
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment to acquire business |  |  |  |  | $ 53,405 | $ 16,718 | $ 16,914 |  | $ 17,056 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price adjustment |  |  |  |  | 2,915 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset purchase agreement date |  |  |  |  | May 01, 2014 | Oct. 31, 2013 |  | Aug. 30, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets, weighted average useful life | 13 years 3 months 18 days | 10 years 2 months 12 days |  |  | 13 years 10 months 24 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets amortization period |  |  |  |  |  |  |  |  |  |  | 12 years | 12 years | 8 years | 9 years | 20 years | 20 years | 20 years | 20 years | 5 years | 2 years | 2 years | 2 months | 42 days | 42 days |  | 5 years |
Amortizable intangible assets, amortization method |  |  |  |  |  |  |  |  |  |  |  |  |  | Accelerated cash flow basis |  |  |  | Straight line basis |  |  | Straight line basis |  |  |  | Straight line basis |  | Straight line basis
Additional cash payment |  |  |  |  |  |  | 196 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment to acquire business, net |  |  | 2,915 | 33,774 | 55,324 |  |  | 16,769 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition, cash due from escrow |  |  |  |  |  |  |  |  |  | $ 287 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Date when the business acquisition agreement was executed, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 35 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=26713198&loc=d3e15372-109273 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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