Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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- Definition

Face amount or stated value per share of common stock.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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-Section 02
-Paragraph 30
-Article 5

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+ References

No definition available.

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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.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Price of a single share of a number of saleable stocks of a company.

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Number of options vested.

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Share-based Compensation - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Common Stock, Par or Stated Value Per Share	$ 1		$ 1		$ 1
Closing stock price	$ 32.27		$ 32.27		$ 23.50
Proceeds from stock option exercises			$ 1,267,000	$ 644,000
Non-qualified Stock Options with Time-based Vesting (NQO) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Vested in period (shares)			37,037
Proceeds from stock option exercises	$ 1,100,000	$ 600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 7 months 6 days
Non-qualified Stock Options with Time-based Vesting (NQO) [Member] \| 2007 Amended and Restated Long-term Incentive Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Unrecognized compensation cost	$ 400,000		$ 400,000		$ 400,000
Allocated Share-based Compensation Expense	$ 100,000	100,000	100,000	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	18,589
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 29.17
Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 7 months 6 days
Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member] \| 2007 Amended and Restated Long-term Incentive Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Unrecognized compensation cost	$ 2,500,000		2,500,000		$ 1,500,000
Allocated Share-based Compensation Expense	$ 0	100,000	$ 100,000	300,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			143,466
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price			$ 29.48
Restricted Stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Award vesting period			3 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 4 months 24 days
Allocated Share-based Compensation Expense	$ 0	$ 100,000	$ 100,000
Restricted stock granted	9,638
Restricted stock, Granted, Weighted Average Grant Date Fair Value			$ 29.91
Restricted Stock [Member] \| 2007 Amended and Restated Long-term Incentive Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Allocated Share-based Compensation Expense				100,000
Vested [Member] \| Non-qualified Stock Options with Performance-based and Time-based Vesting (PNQ) [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Proceeds from stock option exercises			$ 200,000	$ 0