Repairing ruts in yard

Hey Paul (or anyone else out there),

I just had to have new roof put on the house, and in the process of dropping off and picking up the dumpster, huge ruts, ridges and impressions were left in my yard by the equipment.  I asked them to repair the yard, but I am as of yet unsatisfied.  First, they came by and dumped a shovel load or two of sand and topsoil in a couple of ruts.  They've now laid some sod over a couple of the larger impressions. 

My question is, in your opinion, in case I can't get the roofers to do it right, what is the best way to fill in the ruts?  Sand?  Topsoil?  Compost?  Should it be done slowly over time with thin layers or can I just fill them?  Should I mash the ridges back down or remove them? 

Thanks in advance for any ideas!

I guess the answers are that it depends on how fancy your lawn is. 

For me, I would go for a bunch of compost to be heaped there and maybe some grass seed.  But I'm a patient man and not into the putting green style lawn.

Thanks for the reply.  I'm just interested in getting the yard back to a more mowable state.  Compost and seed will work fine for me.