Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rent Expense [Table Text Block]

Operating lease rental expense for factories, service and distribution locations, offices, and equipment was as follows:



	Year Ended December 31,
	2017		2016		2015
	(in thousands)
Rental expense	$	14,824	$	14,232	$	15,524

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Future minimum lease payments at December 31, 2017, under noncancelable operating leases with initial or remaining terms in excess of one year are as follows:



Year Ending December 31,	Minimum Payments
	(in thousands)
2018	$	15,353
2019	10,274
2020	6,556
2021	3,732
2022	2,888
Beyond 2022	9,799
Future minimum lease payments	$	48,602

Schedule of Line of Credit Facilities [Table Text Block]

Our available lines of credit, outstanding standby LOCs, and bonds are as follows:



	At December 31,
	2017			2016
	(in thousands)
Credit facilities⁽¹⁾
Multicurrency revolving line of credit	$	500,000		$	500,000
Long-term borrowings	(125,414		)	(97,167		)
Standby LOCs issued and outstanding	(31,881		)	(46,103		)

Net available for additional borrowings under the multi-currency revolving line of credit	$	342,705		$	356,730
Net available for additional standby LOCs under sub-facility	218,119			203,897

Unsecured multicurrency revolving lines of credit with various financial institutions
Multicurrency revolving line of credit	$	110,477		$	91,809
Standby LOCs issued and outstanding	(21,030		)	(21,734		)
Short-term borrowings⁽²⁾	(916		)	(69		)
Net available for additional borrowings and LOCs	$	88,531		$	70,006

Unsecured surety bonds in force	$	51,344		$	48,221


⁽¹⁾	Refer to Note 6 and Note 19 for details regarding our secured credit facilities, including the refinancing of the 2015 credit facility.


⁽²⁾	Short-term borrowings are included in “Other current liabilities” on the Consolidated Balance Sheets.

Schedule of Warranty Accruals [Table Text Block]

A summary of the warranty accrual account activity is as follows:



	Year Ended December 31,
	2017			2016
	(in thousands)
Beginning balance	$	43,302		$	54,512
New product warranties	7,849			7,987
Other adjustments and expirations	(393		)	5,933
Claims activity	(18,094		)	(24,364		)
Effect of change in exchange rates	2,198			(766		)
Ending balance	34,862			43,302
Less: current portion of warranty	21,150			24,874
Long-term warranty	$	13,712		$	18,428

Warranty Expense [Table Text Block]

Warranty expense was as follows:



	Year Ended December 31,
	2017			2016		2015
	(in thousands)
Total warranty expense	$	(2,054	)	$	13,920	$	45,984

Schedule of Changes to Unearned Revenue for Extended Warranty [Table Text Block]

A summary of changes to unearned revenue for extended warranty contracts is as follows:



	Year Ended December 31,
	2017			2016
	(in thousands)
Beginning balance	$	31,549		$	33,654
Unearned revenue for new extended warranties	1,186			1,437
Unearned revenue recognized	(4,247		)	(3,594		)
Effect of change in exchange rates	154			52
Ending balance	28,642			31,549
Less: current portion of unearned revenue for extended warranty	4,220			4,226
Long-term unearned revenue for extended warranty within other long-term obligations	$	24,422		$	27,323

Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance [Table Text Block]

Plan costs were as follows:



	Year Ended December 31,
	2017		2016		2015
	(in thousands)
Plan costs	$	30,521	$	27,276	$	25,355

IBNR accrual, which is included in wages and benefits payable, was as follows:



	At December 31,
	2017		2016
	(in thousands)
IBNR accrual	$	2,664	$	2,441