Annual report pursuant to Section 13 and 15(d)

Equity and Long-Term Incentive Compensation Plans Cash-Based Long-Term Incentive Compensation (Details)

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Equity and Long-Term Incentive Compensation Plans Cash-Based Long-Term Incentive Compensation (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Jun. 30, 2013
Vesting_Installments
Jun. 30, 2013
Cash Long-Term Incentive Plan    
Cash-based long-term incentive plan, granted amount   $ 62.9
Cash Long-Term Incentive Plan
   
Cash Long-Term Incentive Plan    
Cash long-term incentive plan, number of equal vesting installments 4  
Cash long-term incentive plan, percentage of equal vesting installments 25.00%  
Cash long-term incentive plan, vesting period 4 years  
Cash long-term incentive program, compensation expense   11.0
Cash long-term incentive plan, unrecognized compensation balance $ 50.1 $ 50.1