752 N.W.2d 33 (2008)
JOHN DEERE DES MOINES WORKS
No. 06-2001.
JOHN DEERE DES MOINES WORKS
v.
GRAY.
No. 06-2001.
Court of Appeals of Iowa.
March 14, 2008.Decision without published opinion. Affirmed.
Court of Appeals of Iowa.
March 14, 2008.Decision without published opinion. Affirmed.