Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2020

Additional Financial Information Disclosure [Abstract]

Balance Sheet Components

	December 31,
	2020		2019
	(In thousands)
RECEIVABLES
Customers	$	288,288	$	298,118
Other	10,949		6,415
Total	299,237		304,533
Less allowance for doubtful accounts	6,091		6,347
Total receivables - net	$	293,146	$	298,186
INVENTORIES
Raw materials and components parts	$	173,248	$	182,382
Work in process	29,436		28,761
Finished goods	87,226		82,324
Total inventories	$	289,910	$	293,467
PROPERTY, PLANT AND EQUIPMENT
Land and improvements	$	33,705	$	32,240
Buildings and improvements	192,428		187,301
Machinery, equipment and other	430,423		397,498
Office and transportation equipment	95,549		95,759
Construction in progress	28,704		24,546
Total	780,809		737,344
Less accumulated depreciation and amortization	482,536		457,028
Total property, plant and equipment - net	$	298,273	$	280,316
ACCRUED EXPENSES
Payroll and related items	$	75,238	$	77,556
Management incentive compensation	15,763		14,408
Income taxes payable	13,453		9,905
Insurance	11,115		8,240
Warranty	7,394		5,581
Deferred revenue	28,374		17,633
Lease liability	16,721		15,235
Restructuring	3,868		6,110
Liability for uncertain tax positions	—		890
Accrued interest	3,592		1,735
Contingent consideration for acquisition	—		3,375
Other	33,310		19,622
Total accrued expenses	$	208,828	$	180,290
OTHER NONCURRENT LIABILITIES
Pension and retiree medical obligations	$	99,417	$	87,478
Transition tax payable	14,208		11,292
Liability for uncertain tax positions	1,071		3,008
Deferred revenue	30,354		2,129
Lease liability	94,250		69,928
Other	27,497		23,533
Total other noncurrent liabilities	$	266,797	$	197,368

Accounts Receivable, Allowance for Credit Loss

The valuation and qualifying account activity for the years ended December 31, 2020, 2019 and 2018 is as follows:

	2020		2019		2018
	(In thousands)
ALLOWANCE FOR DOUBTFUL ACCOUNTS (1)
Beginning balance January 1	$	6,347	$	6,709	$	7,764
Charged to costs and expenses, net of recoveries	34		1,181		290
Utilization	(525)		(1,443)		(1,396)
Currency translation and other	235		(100)		51
Ending balance December 31	$	6,091	$	6,347	$	6,709

(1) Includes provision for doubtful accounts.