Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2016

Additional Financial Information Disclosure [Abstract]

Balance Sheet Components

	December 31,
	2016		2015
	(In thousands)
RECEIVABLES
Customers	$	275,250	$	262,304
Other	5,641		5,508
Total	280,891		267,812
Less allowance for doubtful accounts	8,078		7,812
Total receivables — net	$	272,813	$	260,000
INVENTORIES
Raw materials and components parts	$	154,278	$	141,671
Work in process	34,832		32,387
Finished goods	63,749		65,066
Total	$	252,859	$	239,124
PROPERTY, PLANT AND EQUIPMENT
Land and improvements	$	33,883	$	34,343
Buildings and improvements	169,261		157,946
Machinery, equipment and other	328,779		331,146
Office and transportation equipment	98,355		97,250
Construction in progress	10,373		13,377
Total	640,651		634,062
Less accumulated depreciation and amortization	392,835		393,117
Total property, plant and equipment — net	$	247,816	$	240,945
ACCRUED EXPENSES
Payroll and related items	$	67,600	$	67,209
Management incentive compensation	16,339		12,599
Income taxes payable	8,808		3,836
Insurance	9,416		9,505
Warranty	5,628		7,936
Deferred revenue	12,607		9,885
Restructuring	3,893		6,636
Liability for uncertain tax positions	1,366		3,498
Accrued interest	1,663		1,230
Contingent consideration for acquisition	—		4,705
Other	25,532		26,633
Total accrued expenses	$	152,852	$	153,672
OTHER NONCURRENT LIABILITIES
Pension and retiree medical obligations	$	93,604	$	76,190
Liability for uncertain tax positions	2,623		4,252
Deferred revenue	2,442		3,763
Other	22,561		18,160
Total other noncurrent liabilities	$	121,230	$	102,365

Valuation and Qualifying Accounts

The valuation and qualifying account activity for the years ended December 31, 2016, 2015 and 2014 is as follows:

	2016			2015			2014
	(In thousands)
ALLOWANCE FOR DOUBTFUL ACCOUNTS (1)
Beginning balance January 1	$	7,812		$	6,961		$	5,841
Charged to costs and expenses, net of recoveries	1,425			1,556			2,643
Utilization	(1,585		)	(1,009		)	(1,195		)
Currency translation and other	426			304			(328		)
Ending balance December 31	$	8,078		$	7,812		$	6,961

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