Share-based Compensation (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Stock Based Compensation (Textual) [Abstract]
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options	$ 0.1
Stock Options [Member]
Stock Based Compensation (Textual) [Abstract]
Shares issued from treasury shares, net of shares withheld to cover applicable exercise price of award and to cover employee's minimum applicable income taxes (in shares)	96,761
Shares withheld to cover applicable exercise price of award (in shares)	537,320
Shares withheld to cover the employee's minimum applicable income taxes (in shares)	11,419
Stock Settled Stock Appreciation Rights (SSARS) [Member]
Stock Based Compensation (Textual) [Abstract]
Accelerated compensation expense related to accelerated vesting		1.4
Shares issued from treasury shares, net of shares withheld to cover applicable exercise price of award and to cover employee's minimum applicable income taxes (in shares)	117,037
Shares withheld to cover the employee's minimum applicable income taxes (in shares)	51,708
Unrecognized stock based compensation expense related to non-vested shares	0.5
Weighted-average vesting period	1 year 7 months 13 days
Restricted Stock [Member]
Stock Based Compensation (Textual) [Abstract]
Accelerated compensation expense related to accelerated vesting		0.1
Shares issued from treasury shares, net of shares withheld to cover applicable exercise price of award and to cover employee's minimum applicable income taxes (in shares)	80,949
Shares withheld to cover the employee's minimum applicable income taxes (in shares)	27,250
Unrecognized stock based compensation expense related to non-vested shares	1.0
Weighted-average vesting period	1 year 9 months 18 days
Performance Shares [Member]
Stock Based Compensation (Textual) [Abstract]
Accelerated compensation expense related to accelerated vesting		0.2
Unrecognized stock based compensation expense related to non-vested shares	$ 0.1
Weighted-average vesting period	9 months 18 days
2011 Stock Incentive Plan [Member]
Stock Based Compensation (Textual) [Abstract]
Shares authorized (in shares)	3,000,000
2011 Stock Incentive Plan [Member] | Stock Options [Member]
Stock Based Compensation (Textual) [Abstract]
Maximum number of shares that may be granted to an individual in a calendar year (in shares)	800,000
2011 Stock Incentive Plan [Member] | Stock Settled Stock Appreciation Rights (SSARS) [Member]
Stock Based Compensation (Textual) [Abstract]
Maximum number of shares that may be granted to an individual in a calendar year (in shares)	800,000
2011 Stock Incentive Plan [Member] | Restricted Shares and Restricted Share Units [Member]
Stock Based Compensation (Textual) [Abstract]
Maximum number of shares that may be granted to an individual in a calendar year (in shares)	400,000
Maximum aggregate number of shares that may be granted to an individual (in shares)	1,000,000