Need help with top

Just run a "top" command on my box and noticed 97% cpu usage on "id", but don't know what that "id" means.

top - 02:17:38 up 11 days, 16:41, 1 user, load average: 0.07, 2.73, 2.62
Tasks: 152 total, 1 running, 151 sleeping, 0 stopped, 0 zombie
Cpu(s): 2.3% us, 1.0% sy, 0.0% ni, 95.7% id, 1.0% wa, 0.0% hi, 0.0% si
Mem: 970920k total, 965632k used, 5288k free, 3484k buffers
Swap: 915696k total, 44660k used, 871036k free, 725160k cached

Can anyone please tell me what that is and how do I work around it. Thanks

 

 

 

 

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