Towards the end of long expansions (this one is the longest on record) things get tight. Factories operate flat-out and start raising prices. Good workers become harder to find and companies start competing for them with higher wages and other perks.
This story is about the "other perks" which, because they don't show up in wages, aren't directly inflationary. But they do cost money, which means they shrink corporate profits nearly as much as would a big wage increase. From today's Wall Street Journal:
Factories Tire of Wage Wars; Give Fridays Off, Spiff Up Bathrooms