My personal opinion is that we may see CLX go lower with the next dip. It was only recently that we saw around 67ish. 69 seems slightly rich for me for this particular company (which still has a bit of debt on its books that investors are slightly concerned about).
However, the dividend will be raised in a couple of months so we may be seeing investors piling in in anticipation of the next dividend raise (as we recently saw with ADP). As part of a diversified dividend portfolio, I applaud buying any of the aristocrats and locking in a yield of over 3.5%.
Bottom line, be happy with your gut instinct and sleep well at night.
In conclusion, I would probably be more concerned with the broader market dipping (giving you a better purchase price) than before/after ex date purchases especially in regards to the aristocrats. I also have seen CLX cheaper in recent past, but am also concerned that investors are bidding it up in anticipation of the next dividend raise. Finally, I hope this helps you more than confuses you:)
I highly recommend investors observe the daily gyrations of their positions and positions they watch so as to spot their "personalities" and how they act in various market conditions, and to sort of grasp their trading ranges.
With some more thought...I actually have seen the aristocrats slightly dip after the ex-date...Plus "sell in May, go away"....I think you might have a better purchase price after the CLX ex-day. That is my opinion...Bottom line follow your gut and be happy with your decision, you will be fine either way as George implies.
EDIT: Plus it's up nearly 1 percent today...I'm kind of allergic to buying in "in the green".