One senses many popular rock troupes don't worry much about filling a brief break between near successive tours. Most, in fact, are likely to let a break be exactly that and enjoy the time off from the road.That's not what happened with the longstanding rock/pop troupe Goo Goo Dolls. Having completed an extensive summer tour last year with Matchbox Twenty and an even lengthier headlining run in the fall and winter to support the band's 10th studio album, Magnetic, mainstay members John Rzeznik and Robby Takac had a month off before preparation began on another summer tour, this one with Daught