Well, the good thing in the US is you can log what ever you want after you have the requirements for the ATP in the book (yes, you have to be able to prove you're current) but 100% IFR will look interesting if you have to interview again.
61.51 Pilot logbooks.
(g) Logging instrument flight time. (1) A person may log instrument time only for that flight time when the person operates the aircraft solely by reference to instruments under actual or simulated instrument flight conditions.
IFR Flight Conditions is defined in Part 1 as weather less than VFR.
Matt - I'm just amazed they made you wear a hood while IMC!