If we'd had a substantial decline in the dollar against the Chinese currency we'd have probably seen a substantial rise in the price of some of the items that we buy from China.
The good news is that what we've seen is an unchanged reading for the non-petroleum items ... so it doesn't look like we have a major inflation problem outside of oil, which is good for the Fed.
The good news is that what we've seen is an unchanged reading for the nonpetroleum items and it looks like what we're still seeing is lower prices for many consumer items.