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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Changes in the Allowance for Doubtful Accounts

The following table presents the changes in the allowance for doubtful accounts (in thousands):

		Years Ended December 31,
		2017			2016			2015
Balance at beginning of year		$	951		$	956		$	1,047
Provision			119			117			145
Write-offs, net of recoveries			(201)			(122)			(236)
Balance at end of year		$	869		$	951		$	956

Cost of Manufactured Inventory Includes Raw Material, Labor and Overhead

The cost of manufactured inventory includes raw material, labor and overhead. Inventories, net of reserves, consist of the following (in thousands):

		December 31,
		2017			2016
Raw materials and components		$	83,834		$	53,388
Finished goods			54,000			57,297
Work in progress			29,123			18,422
Used trailers			7,330			2,490
Aftermarket parts			6,448			8,356
		$	180,735		$	139,953

Prepaid Expenses and Other Current Assets

Prepaid expenses and other as of December 31, 2017 and 2016 consists of the following (in thousands):

		December 31,
		2017			2016
Chassis converter pool agreements		$	18,326		$	-
Income tax receivables			10,821			6,926
Assets held for sale			10,777			5,788
Insurance premiums &; maintenance agreements			6,860			3,555
All other			10,515			8,082
		$	57,299		$	24,351

Property, Plant and Equipment

Property, plant and equipment consist of the following (in thousands):

		December 31,
		2017			2016
Land		$	34,493		$	20,958
Buildings and building improvements			139,636			110,789
Machinery and equipment			254,544			231,094
Construction in progress			17,672			12,116
		$	446,345		$	374,957
Less: accumulated depreciation			(250,982)			(240,819)
		$	195,363		$	134,138

Schedule of Finite-Lived Intangible Assets

As of December 31, 2017, the balances of intangible assets, other than goodwill, were as follows (in thousands):

		Weighted Average Amortization Period		Gross Intangible Assets			Accumulated Amortization			Net Intangible Assets
Tradenames and trademarks		20 years		$	57,894		$	(14,034)		$	43,860
Customer relationships		10 years			290,415			(105,567)			184,848
Technology		12 years			16,517			(8,694)			7,823
Backlog		less than 1 year			2,200			(1,701)			499
Total				$	367,026		$	(129,996)		$	237,030

As of December 31, 2016, the balances of intangible assets, other than goodwill, were as follows (in thousands):

		Weighted Average Amortization Period		Gross Intangible Assets			Accumulated Amortization			Net Intangible Assets
Tradenames and trademarks		20 years		$	37,894		$	(11,864)		$	26,030
Customer relationships		10 years			151,090			(92,686)			58,404
Technology		12 years			16,517			(6,546)			9,971
Total				$	205,501		$	(111,096)		$	94,405

Schedule of Goodwill

As of December 31, 2017, the carrying amount of goodwill totaled $317.5 million which was allocated to its reporting segment in the following amounts: Final Mile Products - $169.2 million; Diversified Products - $145.6 million; and, Commercial Trailer Products - $2.7 million. For the years ended December 31, 2017 and 2016, the changes in the carrying amounts of goodwill were as follows (in thousands):

		2017			2016
Balance as of January 1		$	148,367		$	149,718
Acquisition of Supreme			169,235			-
Effects of foreign currency			(138)			312
Impairment of goodwill			-			(1,663)
Balance as of December 31		$	317,464		$	148,367

Major components of Other Accrued Liabilities

The following table presents the major components of Other Accrued Liabilities (in thousands):

		December 31,
		2017			2016
Payroll and related taxes		$	27,840		$	26,793
Customer deposits			26,059			19,302
Warranty			20,132			20,520
Chassis converter pool agreements			18,326			-
Self-insurance			9,996			8,387
Accrued taxes			9,224			6,400
All other			17,333			10,912
		$	128,910		$	92,314

Changes in the Product Warranty Accrual Included in Other Accrued Liabilities

The following table presents the changes in the product warranty accrual included in Other Accrued Liabilities (in thousands):

		2017			2016
Balance as of January 1		$	20,520		$	19,709
Provision for warranties issued in current year			5,873			6,601
Supreme acquisition			1,421			-
(Recovery of) Provision for pre-existing warranties			(970)			560
Payments			(6,712)			(6,350)
Balance as of December 31		$	20,132		$	20,520

Changes in the Self-Insurance Accrual Included in Other Accrued Liabilities

The following table presents the changes in the self-insurance accrual included in Other Accrued Liabilities (in thousands):

		2017			2016
Balance as of January 1		$	8,387		$	7,677
Expense			38,817			41,470
Supreme Acquisition			2,555			-
Payments			(39,763)			(40,760)
Balance as of December 31		$	9,996		$	8,387

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