Contracts In Process (Narrative) (Details)	3 Months Ended	12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013
Contracts In Process [Abstract]
Estimated Period To Complete Contracts In Process, Minimum	1 month	1 month
Estimated Period To Complete Contracts In Process, Maximum	1 year 7 months	1 year 9 months
Expected collection period of accounts receivable	60 days