text: selling products at a higher gross profit margin led to an 
  
  approximate 0.9% improvement in gross profit margins. Other 
  
  positive impacts on margins were an increase of approximately 
  
  0.4% from businesses acquired during the fiscal year and an 
  
  increase of approximately 0.2% due to lower scrap expense. 
  
  SD&A increased $56.7 million or 14.0% during fiscal 2011 
  
  compared to fiscal year 2010, and as a percent of sales decreased 
  
  to 20.9% from 21.4% in fiscal 2010. Associate compensation 
  
  and benefits, including amounts tied to financial performance, 
  
  increased $27.4 million. Acquisitions added $18.4 million of 
  
  SD&A compared to fiscal year 2010, including additional 
  
  amortization expense of $1.4 million. Incremental expenses 
  
  associated with the development of a new ERP platform totaled 
  
  $8.6 million. Foreign currency translation had an unfavorable 
  
  impact of $3.1 million in fiscal 2011. 
  
  Operating income increased 37.0% to $150.8 million during 
  
  fiscal 2011 from $110.1 million during 2010. As a percent of 