Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Line of Credit Facilities

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

	September 30, 2018			December 31, 2017
	(in thousands)
Credit facilities
Multicurrency revolving line of credit	$	500,000		$	500,000
Long-term borrowings	(10,000		)	(125,414		)
Standby LOCs issued and outstanding	(41,108		)	(31,881		)
Net available for additional borrowings under the multi-currency revolving line of credit	$	448,892		$	342,705
Net available for additional standby LOCs under sub-facility	258,892			218,119
Unsecured multicurrency revolving lines of credit with various financial institutions
Multicurrency revolving lines of credit	$	106,281		$	110,477
Standby LOCs issued and outstanding	(19,577		)	(21,030		)
Short-term borrowings	(180		)	(916		)
Net available for additional borrowings and LOCs	$	86,524		$	88,531
Unsecured surety bonds in force	$	96,157		$	51,344

Schedule of Warranty Accruals

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
	(in thousands)
Beginning balance	$	43,719		$	39,810		$	34,862		$	43,302
Assumed liabilities from acquisition	—			—			5,742			—
New product warranties	869			2,708			3,151			6,637
Other adjustments and expirations	659			(4,346		)	9,141			(2,445		)
Claims activity	(2,164		)	(3,773		)	(8,981		)	(14,372		)
Effect of change in exchange rates	277			523			(555		)	1,800
Ending balance	43,360			34,922			43,360			34,922
Less: current portion of warranty	29,736			21,697			29,736			21,697
Long-term warranty	$	13,624		$	13,225		$	13,624		$	13,225

Warranty Expense

Warranty expense (benefit) was as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2018		2017			2018		2017
	(in thousands)
Total warranty expense (benefit)	$	1,528	$	(3,148	)	$	12,291	$	(5,318	)

Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance

Plan costs were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	(in thousands)
Plan costs	$	9,205	$	6,096	$	25,559	$	21,592

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

	September 30, 2018		December 31, 2017
	(in thousands)
IBNR accrual	$	3,449	$	2,664