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Balance Sheet Components | 12 Months Ended
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Dec. 31, 2016
Additional Financial Information Disclosure [Abstract] |
Balance Sheet Components | 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 |
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.

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