Employee Stock Purchase Plan (Tables)

12 Months Ended

Mar. 31, 2013

Employee Stock Purchase Plan [Abstract]

Summary of employee stock purchase plan

Summarized ESPP information is as follows:

	2011		2012		2013
Employee contributions	$	317,000	$	321,000	$	313,000
Shares acquired		7,073		8,215		7,028
Average purchase price	$	44 .83	$	39 .07	$	44 .60