Lazy sort (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lazy sort</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for idler that I've seen before include "Man off watch" , "Not working so hard" , "Lazy type" , "Bummer" , "Johnson's work" .)