The sample from the previous message doesn't work in IE. This is because Internet Explorer raises the paste event earlier than the other browsers.
However, I have assembled a sample that works in IE as well. The following dojo illustrates how to get the value of the Kendo NumericTextBox when you paste value into it.
The video in the link below show how the sample behaves on my end:
Please give it a try and let me know if that is the desired behavior. In case it isn't, please provide me with more detailed information of what you want to achieve.