It distinguished the payment that had been ordered in this case from expenses that a state might incidentally incur after an injunction is issued to comply with it. The costs of post-judgment compliance are ancillary, but the costs of making up for pre-judgment non-compliance were more like an award of damages to the plaintiff. Noting that there were no precedents squarely on this point, the court expressed disapproval of those precedents that hinted at allowing restoration of funds that had been previously withheld.