Stock-Based Compensation And Employee Benefit Plans (Restricted Stock Rights) (Narrative) (Details)	12 Months Ended
	Mar. 31, 2014
Stock options vesting description	•Three-year vesting with  1/3 cliff vesting at the end of each year;•Three-year vesting with 100% cliff vesting at the end of year three;•Four-year vesting with  1/4 cliff vesting at the end of each year;•Five-year vesting with  1/9,  2/9,  3/9,  2/9 and  1/9 of the shares cliff vesting respectively at the end of each of the 1st, 2nd, 3rd, 4th, and 5th years;•Three-year vesting with  1/2 cliff vesting after 18 and 36 months;•35 month vesting with  1/3 cliff vesting after 11, 23 and 35 months or;•One-year vesting with 100% cliff vesting at the end of one year.
Cliff vesting period, minimum	100.00%
Three Year Vesting With Thirty Three Percent [Member]
Cliff vesting period	3 years
Four Year Vesting [Member]
Cliff vesting period	4 years
Five Year Vesting [Member]
Cliff vesting period	5 years
Three Year Vesting With Fifty Percent [Member]
Cliff vesting period	3 years
Thirty Five Month Vesting [Member]
Cliff vesting period	35 months
Vesting Year 1 [Member] | Three Year Vesting With Thirty Three Percent [Member]
Cliff vesting percentage	33.00%
Vesting Year 1 [Member] | Four Year Vesting [Member]
Cliff vesting percentage	25.00%
Vesting Year 1 [Member] | Five Year Vesting [Member]
Cliff vesting percentage	11.00%
Vesting Year 1 [Member] | Three Year Vesting With Fifty Percent [Member]
Cliff vesting percentage	66.00%
Vesting Year 2 [Member] | Three Year Vesting With Thirty Three Percent [Member]
Cliff vesting percentage	33.00%
Vesting Year 2 [Member] | Four Year Vesting [Member]
Cliff vesting percentage	25.00%
Vesting Year 2 [Member] | Five Year Vesting [Member]
Cliff vesting percentage	22.00%
Vesting Year 2 [Member] | Three Year Vesting With Fifty Percent [Member]
Cliff vesting percentage	34.00%
Vesting Year 3 [Member] | Three Year Vesting With Thirty Three Percent [Member]
Cliff vesting percentage	33.00%
Vesting Year 3 [Member] | Four Year Vesting [Member]
Cliff vesting percentage	25.00%
Vesting Year 3 [Member] | Five Year Vesting [Member]
Cliff vesting percentage	33.00%
Vesting Year 4 [Member] | Four Year Vesting [Member]
Cliff vesting percentage	25.00%
Vesting Year 4 [Member] | Five Year Vesting [Member]
Cliff vesting percentage	22.00%
Vesting Year 5 [Member] | Five Year Vesting [Member]
Cliff vesting percentage	11.00%
Vesting Period, Period One [Member] | Thirty Five Month Vesting [Member]
Cliff vesting percentage	33.00%
Cliff vesting period	11 months
Vesting Period, Period Two [Member] | Three Year Vesting With Fifty Percent [Member]
Cliff vesting period	36 months
Vesting Period, Period Two [Member] | Thirty Five Month Vesting [Member]
Cliff vesting percentage	33.00%
Cliff vesting period	23 months
Vesting Period, Period Three [Member] | Thirty Five Month Vesting [Member]
Cliff vesting percentage	33.00%
Cliff vesting period	35 months