Share-based Compensation (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Mar. 31, 2015
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)	8,065
Shares withheld to cover applicable exercise price of award (in shares)	6,935
Stock Settled Stock Appreciation Rights (SSARS) [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)	5,463
Shares withheld to cover the employee's minimum applicable income taxes (in shares)	1,446
Unrecognized stock based compensation expense related to non-vested shares	0.6
Weighted-average vesting period	1 year 8 months 2 days
Restricted Stock [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)	123,983
Shares withheld to cover the employee's minimum applicable income taxes (in shares)	31,805
Unrecognized stock based compensation expense related to non-vested shares	3.4
Weighted-average vesting period	2 years 1 month
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

Share-based Compensation Arrangement by Share-based Payment Award, Maximum Aggregate Number of Shares Per Employee

No definition available.

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- Definition

Shares Paid for Option Price for Share Based Compensation

+ References

No definition available.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

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- Definition

Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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