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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Line of Credit Facilities
Our available lines of credit, outstanding standby LOCs, and bonds were as follows:
At December 31,
In thousands20202019
Credit facility
Multicurrency revolving line of credit$500,000 $500,000 
Long-term borrowings— — 
Standby LOCs issued and outstanding(64,948)(41,072)
Net available for additional borrowings under the multicurrency revolving line of credit$435,052 $458,928 
Net available for additional standby LOCs under sub-facility$235,052 $258,928 
Unsecured multicurrency revolving lines of credit with various financial institutions
Multicurrency revolving lines of credit$99,201 $107,206 
Standby LOCs issued and outstanding(24,966)(25,100)
Short-term borrowings— (173)
Net available for additional borrowings and LOCs$74,235 $81,933 
Unsecured surety bonds in force$162,912 $136,004 
Schedule of Warranty Accruals
A summary of the warranty accrual account activity is as follows:
Year Ended December 31,
In thousands202020192018
Beginning balance$53,241 $60,443 $34,862 
Assumed liabilities from acquisition— — 12,946 
New product warranties3,616 5,202 3,772 
Other adjustments and expirations, net7,736 15,695 22,741 
Claims activity(25,582)(27,916)(12,753)
Effect of change in exchange rates2,379 (183)(1,125)
Ending balance41,390 53,241 60,443 
Less: current portion of warranty28,329 38,509 47,205 
Long-term warranty$13,061 $14,732 $13,238 
Warranty Expense Warranty expense was as follows:
Year Ended December 31,
In thousands202020192018
Total warranty expense$11,539 $17,975 $26,513 
Health Benefit Plan Costs and Incurred But Not Reported Accrual Balance
Plan costs were as follows:
Year Ended December 31,
In thousands202020192018
Plan costs$36,672 $33,611 $41,543 

IBNR accrual, which is included in wages and benefits payable, was as follows:
At December 31,
In thousands20202019
IBNR accrual$3,507 $3,171