Quarterly report pursuant to Section 13 or 15(d)

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

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Equity and Long-Term Incentive Compensation Plans (Cash Long-Term Incentive Plan) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2013
Vesting_Installments
Cash Long-Term Incentive Plan  
Cash-based long-term incentive plan, approved amount $ 1.8
Cash-based long-term incentive plan, committed 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 4.1
Cash long-term incentive plan, unrecognized compensation balance $ 47.8