Commitments and Contingent Liabilities

3 Months Ended

Mar. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingent Liabilities

8. Commitments and Contingent Liabilities

Outstanding standby and commercial letters of credit as of March 31, 2018, approximated $22,636, the majority of which serves as collateral for the IRB debt. In addition, the Corporation issued two surety bonds approximating $4,000 (SEK 33,900) to guarantee certain obligations under a credit insurance arrangement for certain of its foreign pension commitments.

See Note 9 for derivative instruments, Note 15 for litigation and Note 16 for environmental matters.