Purchase Price Allocation (Detail) - USD ($) $ in Thousands	1 Months Ended
Sep. 27, 2017	Jun. 30, 2018	Dec. 31, 2017
Goodwill		$ 315,977	$ 317,464
Supreme Industries Inc. [Member]
Cash	$ 36,878
Accounts receivable	25,196
Inventories	33,471
Prepaid expense and other	23,916
Property, plant, and equipment	59,891
Intangibles	161,200
Goodwill	167,714
Other assets	127
Total assets acquired	508,393
Current portion of long term debt	7,167
Accounts payable	10,546
Other accrued liabilites	55,518
Deferred income taxes	71,880
Long term liabilities	2,918
Total liabilities assumed	148,029
Net assets acquired	360,364
Acquisition, net of cash acquired	$ 323,486

Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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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.

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Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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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.

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