Its not everyday that you can buy a door knob, open the package, install said hardware, accidentally throw out the packaging, then realize the door knob doesn't match all the other knobs in the house, call big-box-store grovel to see if they'll accept the hardware without the packaging (or the instructions, tools it came with...) and they say "YES! We'll take it back!"
So here's a great big shout-out to the Depot for making me a super happy customer today :)