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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Share-Based Compensation (Restricted Stock Granted) (Details) - Restricted Stock [Member] - $ / shares					12 Months Ended
	May 14, 2020	Jan. 30, 2020	Dec. 02, 2019	Nov. 15, 2019	Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)					287,948
Grant date fair value (in dollars per share)					$ 35.04
2013 Long-Term Incentive Plan [Member] \| Certain Employees, Based On Performance [Member] \| November 15, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)				204,524
Grant date fair value (in dollars per share)				$ 35.25
Vesting period (years)				3 years
2013 Long-Term Incentive Plan [Member] \| Certain Employees, Non-Executive, Based On Hire [Member] \| December 2, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)			14,225
Grant date fair value (in dollars per share)			$ 35.15
Vesting period (years)			3 years
2013 Long-Term Incentive Plan [Member] \| Named, Executive, Based On Performance [Member] \| January 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		42,199
Grant date fair value (in dollars per share)		$ 35.19
2013 Long-Term Incentive Plan [Member] \| Non-Employee Directors, Certain Directors [Member] \| November 15, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)				22,200
Grant date fair value (in dollars per share)				$ 35.25
Vesting period (years)				6 months
2013 Long-Term Incentive Plan [Member] \| Non-Employee Directors, Certain Directors Based Upon Appointment [Member] \| November 15, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)				700
Grant date fair value (in dollars per share)				$ 35.25
Vesting period (years)				6 months
2013 Long-Term Incentive Plan [Member] \| Non-Employee Directors, Certain Directors Based Upon Appointment [Member] \| May 14, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	4,100
Grant date fair value (in dollars per share)	$ 21.58
Vesting period (years)	6 months