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Restructuring and Other Initiatives (Tables)
3 Months Ended
Mar. 31, 2021
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserves and Charges
The following table summarizes the reserves and charges related to restructuring and other initiatives, including postemployment benefit reserves and charges:
Three Months Ended
March 31, 2021March 31, 2020
Balance at beginning of period$352 $564 
Additions, interest accretion and other219 
Payments(79)(175)
Revisions to estimates and effect of foreign currency(1)(25)
Balance at end of period$275 $583