Share Based Awards (Details 2) (USD $)	6 Months Ended
	Sep. 30, 2014
Summary of stock options granted
Number of Share Granted	459,650
2005 Stock Options Plan [Member] | September 2, 2014 [Member]
Summary of stock options granted
Option Grant Date	September 2, 2014
Number of Share Granted	20,000
Exercise Price Granted (in usd per share)	$ 15.63
Vesting Terms	5 years	[1]
Option Grants Expires	Sep. 02, 2022
2005 Stock Options Plan [Member] | June 3, 2014 [Member]
Summary of stock options granted
Option Grant Date	June 3, 2014
Number of Share Granted	439,650
Exercise Price Granted (in usd per share)	$ 15.99
Vesting Terms	5 years	[1]
Option Grants Expires	Jun. 03, 2022
2005 Stock Options Plan [Member] | Fiscal year 2014 option grants [Member]
Summary of stock options granted
Option Grant Date	Fiscal year 2015 option grants
Number of Share Granted	459,650
2005 Stock Options Plan [Member] | August 15, 2013 [Member]
Summary of stock options granted
Option Grant Date	August 15, 2013
Number of Share Granted	85,000
Exercise Price Granted (in usd per share)	$ 20.85
Vesting Terms	5 years	[1]
Option Grants Expires	Aug. 15, 2021
2005 Stock Options Plan [Member] | July 30, 2013 [Member]
Summary of stock options granted
Option Grant Date	July 30, 2013
Number of Share Granted	28,000
Exercise Price Granted (in usd per share)	$ 22.59
Vesting Terms	5 years	[1]
Option Grants Expires	Jul. 30, 2021
2005 Stock Options Plan [Member] | May 29, 2013 [Member]
Summary of stock options granted
Option Grant Date	May 29, 2013
Number of Share Granted	356,000
Exercise Price Granted (in usd per share)	$ 17.95
Vesting Terms	5 years	[1]
Option Grants Expires	May 29, 2021
2005 Stock Options Plan [Member] | Fiscal year 2013 option grants [Member]
Summary of stock options granted
Option Grant Date	Fiscal year 2014 option grants
Number of Share Granted	469,000

[1] Options vest in equal annual installments on each grant anniversary date commencing one year following the date of grant.