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Stock-Based Compensation (Summary of Nonvested Shares of Restricted Stock and Stock Unit Awards Outstanding) (Details) (Restricted Stock and Stock Units Awards [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
9 Months Ended
Mar. 31, 2013
Restricted Stock and Stock Units Awards [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Nonvested, number of shares/units at beginning of period 517
Granted, number of shares/units 350
Vested, number of shares/units (181)
Forfeited, number of shares/units (7)
Nonvested, number of shares/units at end of period 679
Nonvested, weighted-average grant-date fair value at beginning of period $ 37.41
Granted, weighted-average grant-date fair value $ 28.11
Vested, weighted-average grant-date fair value $ 35.16
Forfeited, weighted-average grant-date fair value $ 29.86
Nonvested, weighted-average grant-date fair value at end of period $ 33.29