Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Totaled arrangements under letter of credit guarantees and performance bonds securing performance obligations $ 23,178
Guarantee obligations secured by cash deposits 2,437
Guarantee obligations represented by a reduction of the available amount of the company's short term and long term revolving lines of credit 4,612
Indian custom bonds outstanding $ 5,215