Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2018

Additional Financial Information Disclosure [Abstract]

Balance Sheet Components

	December 31,
	2018		2017
	(In thousands)
RECEIVABLES
Customers	$	313,719	$	297,796
Other	5,182		4,134
Total	318,901		301,930
Less allowance for doubtful accounts	6,709		7,764
Total receivables - net	$	312,192	$	294,166
INVENTORIES
Raw materials and components parts	$	178,805	$	169,676
Work in process	37,495		33,668
Finished goods	63,695		56,380
Total	$	279,995	$	259,724
PROPERTY, PLANT AND EQUIPMENT
Land and improvements	$	32,100	$	32,984
Buildings and improvements	189,744		175,467
Machinery, equipment and other	372,804		356,728
Office and transportation equipment	96,350		96,541
Construction in progress	24,328		14,715
Total	715,326		676,435
Less accumulated depreciation and amortization	434,106		418,085
Total property, plant and equipment - net	$	281,220	$	258,350
ACCRUED EXPENSES
Payroll and related items	$	78,944	$	75,869
Management incentive compensation	25,321		24,320
Income taxes payable	23,844		28,033
Insurance	10,422		9,424
Warranty	5,303		6,281
Deferred revenue	8,055		11,031
Restructuring	6,170		4,180
Liability for uncertain tax positions	980		1,745
Accrued interest	1,759		1,759
Other	26,738		22,063
Total accrued expenses	$	187,536	$	184,705
OTHER NONCURRENT LIABILITIES
Pension and retiree medical obligations	$	80,667	$	99,646
Transition tax payable	17,127		27,877
Liability for uncertain tax positions	3,183		1,047
Deferred revenue	3,027		3,297
Liability for construction of new leased facility	11,616		—
Contingent consideration for acquisition	3,375		—
Other	19,219		23,818
Total other noncurrent liabilities	$	138,214	$	155,685

Valuation and Qualifying Accounts

The valuation and qualifying account activity for the years ended December 31, 2018, 2017 and 2016 is as follows:

	2018			2017			2016
	(In thousands)
ALLOWANCE FOR DOUBTFUL ACCOUNTS (1)
Beginning balance January 1	$	7,764		$	8,078		$	7,812
Charged to costs and expenses, net of recoveries	290			720			1,425
Utilization	(1,396		)	(1,418		)	(1,585		)
Currency translation and other	51			384			426
Ending balance December 31	$	6,709		$	7,764		$	8,078

⁽¹⁾ Includes provision for doubtful accounts and sales discounts granted to customers.