FAR 61.1(b)(3) Cross-country time means...."time aquired during a flight that includes a landing at a point other than the point of departure."
Pretty sure any lawyer would have no trouble convincing a judge or any group of people that the cross-country portion of the flight would end at the first landing.
Cougar, Midlife is pretty much right about an airline interview - they won't be too concerned about the details of your training, they are more interested in what you have done since your training.
However, as Mini said, when students arrive early from a cross-country, a dilema exists. When he said "a tad early", I'm thinking "a couple touch-and-go's" to get the required time, but then he said "a bunch of touch-and-go's", ...so I have to jump in here with an observation.
I think it is a technical fact that cross-country time should be only that time from take-off to the first landing at another airport. I also think it is ok, in training, to include at least one additional traffic pattern at the other airports.
I think it is not ok to allow a bunch of touch and go's at the home airport. I think proper planning should include not getting back early. If you see that the first part of the trip was early, the student should do a couple patterns at one or more of the x/c destination airports. This would be stretching the technical definition, but would still be within the spirit of the regulations concerning training. But to add on an extra 20-30 minutes at the end home town airport as x/c is clearly violating both the letter and the spirit.
The problem is that students catch on to this corner cutting technique and intend it. It would be different if people didn't do that. Sometimes, the trip just happens faster, and if that were the only time it happened, Mini's solution would be practical, but I see students "planning" on a quick 50+ mile "out-and-back" with a dozen T&G's to "build x/c time".