dot the i's and cross the t's 

to pay a great deal of attention to the details of something, especially when you are trying to complete a task: The negotiations are nearly finished, but we still have to dot the i's and cross the t's.

We have to widen our perimeter. Dot the i's and cross the t's.

dot the i's and cross the t's by heliotropines November 15, 2017

dot the i's and cross the t's 

A workplace equivalent of "the dog ate my homework"
Often used by smooth talking business semi-professionals, who repeatedly fail to meet deadlines for producing important documents or reports.

"It's imperative to ensure we dot the i's and cross the t's. This attention to detail changes slacking to stacking, in terms of paperwork output"

dot the i's and cross the t's by scattybird August 4, 2018