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Share-based Compensation (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Mar. 31, 2015
Stock-based Compensation  
Number of share-based employee compensation plans 4lci_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans
Aggregate number of shares authorized for issuance 8.1us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Shares for future issuances 2.5us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Maximum  
Other disclosures  
Share-based compensation awards vesting period 3 years
Share-based compensation awards maximum contractual term 10 years
Restricted stock  
Other disclosures  
Total unrecognized compensation cost related to non-vested share-based compensation awards granted under the Plans 11.7us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
Weighted average period during which the cost is expected to be recognized 2 years 2 months 12 days