Tried to download but the link is broken: http://tdf.mirrors.pair.com/libreoffice/stable/3.6.2/mac/x86/LibO_3.6.2_MacOS_x86_install_en-US.dmg
Apparently that mirror is broken
Choose the closest to your location from this list (click on HTTP or FTP)
http://download.documentfoundation.org/mirrors/all.html