Perhaps they are bored. Can you give them something interesting to work on, or totally outside their current responsibilities? I find I get bored when my job g

Perhaps they are bored. Can you give them something interesting to work on, or totally outside their current responsibilities? I find I get bored when my job gets too repetitive, and a good solution is a big general directive like "go to some conferences and come up with a market research presentation for our company" or have them hire a replacement for themselves to free up time for other types of work.