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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2016

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,
		2016			2015			2014
Balance at beginning of year		$	956		$	1,047		$	2,058
Provision			117			145			178
Write-offs, net of recoveries			(122)			(236)			(1,189)
Balance at end of year		$	951		$	956		$	1,047

Cost of Manufactured Inventory Includes Raw Material, Labor and Overhead

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

		December 31,
		2016			2015
Finished goods		$	57,297		$	67,260
Raw materials and components			53,388			65,790
Work in progress			18,422			18,201
Aftermarket parts			8,356			8,714
Used trailers			2,490			7,017
		$	139,953		$	166,982

Property, Plant and Equipment

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

		December 31,
		2016			2015
Land		$	20,958		$	22,978
Buildings and building improvements			110,789			114,216
Machinery and equipment			231,094			220,814
Construction in progress			12,116			13,741
		$	374,957		$	371,749
Less: accumulated depreciation			(240,819)			(231,311)
		$	134,138		$	140,438

Schedule of Finite-Lived Intangible Assets

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

		Weighted Average		Gross Intangible			Accumulated			Net Intangible
		Amortization Period		Assets			Amortization			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

As of December 31, 2015, the balances of intangible assets, other than goodwill, were as follows (in thousands):

		Weighted Average		Gross Intangible			Accumulated			Net Intangible
		Amortization Period		Assets			Amortization			Assets
Tradenames and trademarks		20 years		$	37,894		$	(9,970)		$	27,924
Customer relationships		10 years			151,634			(76,340)			75,294
Technology		12 years			16,517			(5,119)			11,398
Total				$	206,045		$	(91,429)		$	114,616

Schedule of Goodwill

The changes in the carrying amounts of goodwill, all of which are included in the Company’s Diversified Products segment as of December 31, 2016, except for approximately $2.6 million allocated to the Company’s Commercial Trailer Products segment, for the years ended December 31, 2016 and 2015 were as follows (in thousands):

		2016			2015
Balance as of January 1		$	149,718		$	149,603
Effects of foreign currency			312			115
Impairment of goodwill			(1,663)			-
Balance as of December 31		$	148,367		$	149,718

Major components of Other Accrued Liabilities

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

		December 31,
		2016			2015
Payroll and related taxes		$	26,793		$	34,427
Warranty			20,520			19,709
Customer deposits			19,302			14,877
Self-insurance			8,387			7,677
Accrued taxes			6,400			8,075
All other			10,912			8,277
		$	92,314		$	93,042

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):

		2016			2015
Balance as of January 1		$	19,709		$	15,462
Provision for warranties issued in current year			6,601			9,714
Provision for (Recovery of ) pre-existing warranties			560			(409)
Payments			(6,350)			(5,058)
Balance as of December 31		$	20,520		$	19,709

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):

		2016			2015
Balance as of January 1		$	7,677		$	7,494
Expense			41,470			40,023
Payments			(40,760)			(39,840)
Balance as of December 31		$	8,387		$	7,677

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