Commitments and Contingencies (Tables)

6 Months Ended

Jun. 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:

	June 30, 2018			December 31, 2017
	(in thousands)
Credit facilities
Multicurrency revolving line of credit	$	500,000		$	500,000
Long-term borrowings	(96,000		)	(125,414		)
Standby LOCs issued and outstanding	(42,278		)	(31,881		)
Net available for additional borrowings under the multi-currency revolving line of credit	$	361,722		$	342,705
Net available for additional standby LOCs under sub-facility	257,722			218,119
Unsecured multicurrency revolving lines of credit with various financial institutions
Multicurrency revolving lines of credit	$	106,277		$	110,477
Standby LOCs issued and outstanding	(21,274		)	(21,030		)
Short-term borrowings	(2,268		)	(916		)
Net available for additional borrowings and LOCs	$	82,735		$	88,531
Unsecured surety bonds in force	$	96,369		$	51,344

Schedule of Warranty Accruals

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	(in thousands)
Beginning balance	$	41,979		$	41,536		$	34,862		$	43,302
Assumed liabilities from acquisition	—			—			5,742			—
New product warranties	1,464			1,568			2,282			3,929
Other adjustments and expirations	4,437			219			8,481			1,901
Claims activity	(2,708		)	(4,248		)	(6,816		)	(10,599		)
Effect of change in exchange rates	(1,453		)	735			(832		)	1,277
Ending balance	43,719			39,810			43,719			39,810
Less: current portion of warranty	29,443			25,584			29,443			25,584
Long-term warranty	$	14,276		$	14,226		$	14,276		$	14,226

Warranty Expense

Warranty expense was as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
	(in thousands)
Total warranty expense	$	5,901	$	(6,213	)	$	10,763	$	(2,170	)

Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance

Plan costs were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	(in thousands)
Plan costs	$	7,673	$	6,742	$	16,354	$	15,496

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

	June 30, 2018		December 31, 2017
	(in thousands)
IBNR accrual	$	3,280	$	2,664