Business Combination, Goodwill and Other Intangible Assets - Intangible Assets Acquired (Details) - USD ($) $ in Thousands	Nov. 08, 2016	Nov. 25, 2017
Acquired Indefinite-lived Intangible Assets [Line Items]
Accumulated amortization		$ (26,715)
Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Fair value of intangible assets acquired	$ 253,100
Accumulated amortization		(26,715)
Intangible assets, net		226,385
Grand Design [Member] \| Trade name [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Fair value of indefinite-lived intangible assets acquired	$ 148,000
Dealer network [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	12 years
Fair value of finite-lived intangible assets acquired	$ 80,500
Accumulated amortization		(7,021)
Backlog [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	6 months
Fair value of finite-lived intangible assets acquired	$ 18,000
Accumulated amortization		(18,000)
Noncompete agreements [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	4 years
Fair value of finite-lived intangible assets acquired	$ 4,600
Accumulated amortization		(1,437)
Leasehold interest-favorable [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	8 years 1 month 6 days
Fair value of finite-lived intangible assets acquired	$ 2,000
Accumulated amortization		$ (257)

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.

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=66006027&loc=d3e16265-109275

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ 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)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Finite and Indefinite-lived Intangible Assets Acquired

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