WordNet (r) 3.0 (2006):

across the board
    adv 1: including all; "we got a pay raise across the board"

Moby Thesaurus II by Grady Ward, 1.0:

45 Moby Thesaurus words for "across the board":
   across-the-board, all, all put together, all-comprehensive,
   all-inclusive, altogether, as a body, as a whole, at large,
   blanket, bodily, collectively, compendious, complete,
   comprehensive, corporately, en bloc, en masse, encyclopedic,
   entirely, global, in a body, in all, in all respects, in bulk,
   in its entirety, in the aggregate, in the gross, in the lump,
   in the mass, in toto, omnibus, on all counts, over-all, panoramic,
   sweeping, synoptic, total, totally, tout ensemble, universal,
   whole, wholly, without exception, without omission