Share-Based Compensation (Narrative) (Details)	9 Months Ended
	Mar. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of plans, in years	3 years
Restricted Share And Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of plans, in years	3 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable period of plans, years	10
Maximum [Member] | Performance Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of performance periods, in years	3
Vested shares as a percentage of target award amount	200.00%
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable period of plans, years	7
Minimum [Member] | Performance Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of performance periods, in years	2
Vested shares as a percentage of target award amount	0.00%