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Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock and Restricted Stock Units, Additional Disclosures [Abstract]

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Share-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended	3 Months Ended
	May 13, 2019	May 06, 2019	May 31, 2014	Jun. 30, 2014	Jun. 30, 2019	Jun. 30, 2018
Share-based Compensation, Aggregate Disclosures:
Maximum number of shares per participant, 12 month period (in shares)			1,000,000.0	2,500,000
Extension of plan term				10 years
Share-based compensation costs charged against income					$ 1,400	$ 1,700
Tax benefit recognized from share-based compensation expense					200	200
Unrecognized compensation costs related to nonvested awards					$ 11,000
Unrecognized compensation costs related to nonvested awards, weighted average period for recognition					1 year 1 month 6 days
Total fair value of vested shares					$ 6,100	10,700
Proceeds from exercise of stock options					275	880
Tax benefit realized from exercise of stock options					$ 400	$ 1,200
Shares available for issuance under the Plan (in shares)					1,400,000
Stock options granted (in shares)					302,700	294,500
Options, Additional Disclosures:
Options granted, weighted-average grant-date fair value (in USD per share)					$ 10.83	$ 10.22
Options exercised, aggregate intrinsic value					$ 100
Performance Shares
Share-based Compensation, Aggregate Disclosures:
Share grants in period (in shares)		98,644
Restricted Stock Units (RSUs)
Share-based Compensation, Aggregate Disclosures:
Share grants in period (in shares)	7,287	89,286			195,200	203,800
Restricted Stock Units (RSUs) \| Employee
Restricted Shares
Award vesting period					3 years
Restricted Stock Units (RSUs) \| Employee \| Maximum
Restricted Shares
Award vesting period					3 years
Restricted Stock Units (RSUs) \| Director
Restricted Shares
Number of common shares into which each RSU may be converted (in shares)					1
Period following director's term in which RSUs may be settled					6 months
Stock Options
Share-based Compensation, Aggregate Disclosures:
Stock options granted (in shares)	21,194	281,487
Stock options granted, exercise price (in USD per share)	$ 30.19	$ 30.56
Stock Options \| Minimum
Restricted Shares
Award vesting period					3 years
Stock Options \| Maximum
Restricted Shares
Award vesting period					5 years
Options, Additional Disclosures:
Award exercisability period, from date of grant					10 years
Long-term Equity Incentive Plan, 2005
Share-based Compensation, Aggregate Disclosures:
Number of shares authorized for grant under 2005 Long-Term Equity Incentive Plan (in shares)			5,000,000.0
Number of additional shares authorized (in shares)				1,800,000