Investments (Tables)

3 Months Ended

Jun. 30, 2013

Investments [Abstract]

Schedule Of Amortized Cost And Unrealized Gains (Losses) On Investments

	June 30, 2013					March 31, 2013
	Amortized Cost			Gain (Loss)		Amortized Cost		Gain (Loss)
Long-term investments:
Certificates of deposit (included in other assets)		$	62,588		-		62,436		-

Investments Classified By Contractual Maturity Date

	June 30, 2013		March 31, 2013
Three to six months	$	-		-
Six months to one year		-		-
Over one year		62,588		62,436
	$	62,588		62,436