Fair Value Of Financial Assets And Liabilities (Contingent Consideration Liability) (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Measurement with Unobservable Inputs Recurring Basis, Liability, Gain (Loss) Included in Earnings Is Immaterial	The impact on the Company's earnings as a result of the contingent consideration arrangement for the three and nine months ended December 31, 2012 and 2011 was immaterial.	The impact on the Company's earnings as a result of the contingent consideration arrangement for the three and nine months ended December 31, 2012 and 2011 was immaterial.	The impact on the Company's earnings as a result of the contingent consideration arrangement for the three and nine months ended December 31, 2012 and 2011 was immaterial.	The impact on the Company's earnings as a result of the contingent consideration arrangement for the three and nine months ended December 31, 2012 and 2011 was immaterial.
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Acquisition, Contingent Consideration, at Fair Value, Noncurrent	3,400,000		3,400,000
Contingent Consideration Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at March 31, 2012			2,512,000
Contingent consideration liability recorded			1,750,000
Settlements made during the period			(140,000)
Adjustments to fair value measurement			(18,000)
Balance at December 31, 2012	4,104,000		4,104,000