Drug distributor McKesson Corp. reaffirmed its earnings guidance of between $4.72 and $4.92 per share for the 2011 fiscal year Thursday.

Analysts polled by Thomson Reuters expect, on average, are looking for earnings of $4.81 for the fiscal year, which ends March 31.

In 2010, the San Francisco company earned $1.26 billion, or $4.62 per share, compared with $823 million, or $2.95 per share, in fiscal 2009.

Revenue rose to $108.7 billion from $106.6 billion.