Stock-Based Compensation (Narrative) (Details) (USD $)	6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Stock Settled Stock Appreciation Rights SARS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Unrecognized compensation cost	$ 1,000,000
Weighted-average period over which remaining compensation cost will be recognized	1 year 7 months 21 days
Number vested	0	0
SSSARs granted (in rights)	2,000	0
Weighted average grant date fair value per award	$ 10.14
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	1,500,000
Weighted-average period over which remaining compensation cost will be recognized	1 year 4 months 2 days
Number vested	7,000
Restricted stock granted (in shares)	6,000
Weighted average grant date fair value per award	$ 84.27
Director Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Restricted stock granted (in shares)	6,000	7,000
Grant date fair value	490,000	490,000
Weighted average grant date fair value per award	$ 84.42	$ 73.29
Number of nonemployee directors	7	7
Employee Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Number vested	0	0
Restricted stock granted (in shares)	200	0
Grant date fair value	$ 16,000
Weighted average grant date fair value per award	$ 79.78
2005 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for issuance to qualified key employees	2,000,000
Maximum term of stock awards granted	5 years